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06-23-2021, 08:31 AM
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#1
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Recycles dryer sheets
Join Date: Aug 2008
Location: Fairfield County, CT
Posts: 476
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Firecalc question
Quick question on how others use Firecalc in planning spending levels. Lets assume my planned budget is $180k annually and after inputting my data Firecalc gives me 100% success rate and the "Investigate" tab says I could spend $213k annually with a 95% success rate. That gives me some level of comfort that I have a theoretical cushion above my planned $180k spending. However, how to you use this data in future years? Do I plan to keep spending the $180k plus inflation? Or do I instead run a new Firecalc session each year and then adjust my spending accordingly?
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06-23-2021, 08:42 AM
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#2
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Thinks s/he gets paid by the post
Join Date: Aug 2012
Posts: 1,821
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IF you use the "constant spending power " tab I believe it automatically adjusts for inflation.
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06-23-2021, 08:43 AM
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#3
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Thinks s/he gets paid by the post
Join Date: Oct 2019
Posts: 3,650
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It uses historical data, so as long as history repeats, then you should be good for 30 years with an inflation adjustment each year.
However, since "historical performance is not necessarily predictive of future performance" it would not hurt to do a checkup once a year.
If we had one really bad stock market year or several bad years in a row, you might find it wise to reduce your spending for a few years and let your net worth play catch up.
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06-23-2021, 09:25 AM
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#4
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Nov 2010
Location: Sarasota, FL & Vermont
Posts: 36,201
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Quote:
Originally Posted by bltkmt
Quick question on how others use Firecalc in planning spending levels. Lets assume my planned budget is $180k annually and after inputting my data Firecalc gives me 100% success rate and the "Investigate" tab says I could spend $213k annually with a 95% success rate. That gives me some level of comfort that I have a theoretical cushion above my planned $180k spending. However, how to you use this data in future years? Do I plan to keep spending the $180k plus inflation? Or do I instead run a new Firecalc session each year and then adjust my spending accordingly?
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Well for one thing we don't let FIRECalc dictate what we spend. We spend pretty much what we want to, but even then it is only about 70% of what the Investigate tab suggest that we could spend at 95% success.
If I was going to let FIRECalc dictate what we spend then I would re-run FIRECalc occasionally with up-to-date inputs and follow that.
__________________
If something cannot endure laughter.... it cannot endure.
Patience is the art of concealing your impatience.
Slow and steady wins the race.
Retired Jan 2012 at age 56
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06-23-2021, 09:42 AM
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#5
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Recycles dryer sheets
Join Date: Aug 2008
Location: Fairfield County, CT
Posts: 476
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Quote:
Originally Posted by pb4uski
Well for one thing we don't let FIRECalc dictate what we spend. We spend pretty much what we want to, but even then it is only about 70% of what the Investigate tab suggest that we could spend at 95% success.
If I was going to let FIRECalc dictate what we spend then I would re-run FIRECalc occasionally with up-to-date inputs and follow that.
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That is what I was thinking.
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06-23-2021, 09:55 AM
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#6
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Thinks s/he gets paid by the post
Join Date: Nov 2009
Location: SF East Bay
Posts: 4,321
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Although Firecalc is the only tool I use to determine how much I can withdraw, I don't use it as a "micrometer". Basically, I have figured out that with a portfolio somewhere in the range of 60/40 - 75/25 (the range I stay within), the maximum I could withdraw to stay below the 100% success level, is around 3.3 - 3.4%. That doesn't change much from year to year, although perhaps it might change a little were I to check it every 5 or 10 years.
I think the highest my withdrawal ever went, was to about 2.5%, so I don't worry about it. It is currently at 2.3%. If my WR were ever to need to become significantly higher, I'd remind myself of the appearance of Social Security in my future. Then I'd go make a cup of tea and wish I had some Digestives or Hob Nobs in the house.
__________________
Contentedly ER, with 3 furry friends (now, sadly, 1).
Planning my escape to the wide open spaces in my campervan (with my remaining kitty, of course!)
On a mission to become the world's second most boring man.
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06-23-2021, 10:25 AM
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#7
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Full time employment: Posting here.
Join Date: May 2014
Posts: 973
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Quote:
Originally Posted by Major Tom
Although Firecalc is the only tool I use to determine how much I can withdraw, I don't use it as a "micrometer". Basically, I have figured out that with a portfolio somewhere in the range of 60/40 - 75/25 (the range I stay within), the maximum I could withdraw to stay below the 100% success level, is around 3.3 - 3.4%. That doesn't change much from year to year, although perhaps it might change a little were I to check it every 5 or 10 years.
I think the highest my withdrawal ever went, was to about 2.5%, so I don't worry about it. It is currently at 2.3%. If my WR were ever to need to become significantly higher, I'd remind myself of the appearance of Social Security in my future. Then I'd go make a cup of tea and wish I had some Digestives or Hob Nobs in the house.
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If you keep under-spending, your portfolio will get bigger and bigger. Accordingly, your withdrawal rate will get smaller and smaller. It that the case actually?
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06-23-2021, 11:09 AM
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#8
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Full time employment: Posting here.
Join Date: Apr 2014
Location: Houston
Posts: 957
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We rerun Firecalc each year and feel no concern if we spend within its results. We have spent beyond Firecalc results but we wouldn’t plan on doing this on a consistent basis.
__________________
"Learn everyday, but especially from the experiences of others. It's cheaper! " - John Bogle
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06-23-2021, 11:54 AM
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#9
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Thinks s/he gets paid by the post
Join Date: Jul 2006
Location: Denver
Posts: 3,499
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Quote:
Originally Posted by Whisper66
We rerun Firecalc each year and feel no concern if we spend within its results. We have spent beyond Firecalc results but we wouldn’t plan on doing this on a consistent basis.
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+1
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06-23-2021, 11:57 AM
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#10
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Nov 2010
Location: Sarasota, FL & Vermont
Posts: 36,201
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+2 that seems like a sensible approach.
__________________
If something cannot endure laughter.... it cannot endure.
Patience is the art of concealing your impatience.
Slow and steady wins the race.
Retired Jan 2012 at age 56
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06-23-2021, 11:59 AM
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#11
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Recycles dryer sheets
Join Date: Aug 2008
Location: Fairfield County, CT
Posts: 476
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Quote:
Originally Posted by Whisper66
We rerun Firecalc each year and feel no concern if we spend within its results. We have spent beyond Firecalc results but we wouldn’t plan on doing this on a consistent basis.
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When you say spend within its results so you mean the amount from the investigate tab?
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06-23-2021, 12:09 PM
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#12
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Full time employment: Posting here.
Join Date: Apr 2014
Location: Houston
Posts: 957
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Quote:
Originally Posted by bltkmt
When you say spend within its results so you mean the amount from the investigate tab?
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Yes.
__________________
"Learn everyday, but especially from the experiences of others. It's cheaper! " - John Bogle
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06-23-2021, 12:26 PM
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#13
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Jan 2018
Location: Tampa
Posts: 11,196
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Quote:
Originally Posted by Whisper66
We rerun Firecalc each year and feel no concern if we spend within its results. We have spent beyond Firecalc results but we wouldn’t plan on doing this on a consistent basis.
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+3 reretire each year concept.
__________________
TGIM
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06-23-2021, 12:50 PM
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#14
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Thinks s/he gets paid by the post
Join Date: Nov 2009
Location: SF East Bay
Posts: 4,321
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Quote:
Originally Posted by flyingaway
If you keep under-spending, your portfolio will get bigger and bigger. Accordingly, your withdrawal rate will get smaller and smaller. It that the case actually?
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It hasn't happened so far, but that's only because I dramatically increased the dollar amount I was withdrawing about 2 years ago, to help pay for the running costs of a little campervan I had just purchased. Yes, over time, if I keep my withdrawals to roughly the same dollar amount (adjusted for inflation), my portfolio most likely will get bigger. However, I'm sure I'll find good reasons to increase the amount of my withdrawals!
I doubt that anyone, at the beginning of their retirement, sets a dollar amount for their withdrawals, and sticks to it, adjusting for inflation each year, for the entire duration of their retirement.
__________________
Contentedly ER, with 3 furry friends (now, sadly, 1).
Planning my escape to the wide open spaces in my campervan (with my remaining kitty, of course!)
On a mission to become the world's second most boring man.
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06-23-2021, 01:11 PM
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#15
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Full time employment: Posting here.
Join Date: Mar 2008
Posts: 968
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Maybe I am missing something but should one also look at the portfolio tab and enter the percentage in stocks? I think it calculates as if 75% is invested in stocks as the default
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06-23-2021, 01:39 PM
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#16
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Thinks s/he gets paid by the post
Join Date: Jul 2004
Posts: 1,556
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At the risk of sounding like a broken record, another tool is the VPW worksheet at Bogleheads - you put in your pensions and SS, current portfolio amounts, AA and age and it cranks out a recommended withdrawal. It also computes a floor (lower withdrawal) based on a 50% drop in the stock portion of your AA. You can run the spreadsheet monthly, quarterly or yearly. I plan on having my range of spending be between the lower floor and the amount it says I can withdraw. The withdrawal amount is adjusted by your age and portfolio balance.
https://www.bogleheads.org/wiki/Vari...age_withdrawal
__________________
Deserat aka Bridget
“We sleep soundly in our beds because rough men stand ready in the night to visit violence on those who would do us harm.”
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06-23-2021, 01:58 PM
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#17
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Jun 2006
Location: Boise
Posts: 7,862
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Quote:
Originally Posted by flyingaway
If you keep under-spending, your portfolio will get bigger and bigger. Accordingly, your withdrawal rate will get smaller and smaller. It that the case actually?
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It has for me over the past five years. However, the trend you're describing would only happen on average over time. Over shorter periods of time, the market returns could overwhelm this effect. For example, someone underspending their FIREcalc spending number starting in 2007 might see their withdrawal rate (as a percentage of the current portfolio) go up due to the 2008/2009 market crash.
In my case, it's been pretty much flat spending at a low WR% plus good market returns.
Quote:
Originally Posted by bizlady
Maybe I am missing something but should one also look at the portfolio tab and enter the percentage in stocks? I think it calculates as if 75% is invested in stocks as the default
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Yes, FIREcalc's page does support a couple of different "How is my portfolio invested?" options. I use the first one and change the 75% to whatever my stock AA is.
I figure in general it's good to get FIREcalc's inputs to match my situation as closely as possible. So I also, for example, change the portfolio cost number from, IIRC 0.18% to 0.04% which is my actual portfolio cost.
I know a lot of people de-rate their FIREcalc inputs. I don't. I'd rather see what I consider to be the most accurate results, and then apply the caution to how I approach those results rather than some somewhat de-rated results. But to each their own.
__________________
"At times the world can seem an unfriendly and sinister place, but believe us when we say there is much more good in it than bad. All you have to do is look hard enough, and what might seem to be a series of unfortunate events, may in fact be the first steps of a journey." Violet Baudelaire.
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06-23-2021, 02:33 PM
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#18
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Jan 2018
Location: Tampa
Posts: 11,196
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Quote:
Originally Posted by SecondCor521
It has for me over the past five years. However, the trend you're describing would only happen on average over time. Over shorter periods of time, the market returns could overwhelm this effect. For example, someone underspending their FIREcalc spending number starting in 2007 might see their withdrawal rate (as a percentage of the current portfolio) go up due to the 2008/2009 market crash.
In my case, it's been pretty much flat spending at a low WR% plus good market returns.
Yes, FIREcalc's page does support a couple of different "How is my portfolio invested?" options. I use the first one and change the 75% to whatever my stock AA is.
I figure in general it's good to get FIREcalc's inputs to match my situation as closely as possible. So I also, for example, change the portfolio cost number from, IIRC 0.18% to 0.04% which is my actual portfolio cost.
I know a lot of people de-rate their FIREcalc inputs. I don't. I'd rather see what I consider to be the most accurate results, and then apply the caution to how I approach those results rather than some somewhat de-rated results. But to each their own.
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Bolded by me.
Agree 100%. What is the real purpose of using a retirement calculator if all the inputs are skewed?
Get the best "estimated" results, then one can go from there.
__________________
TGIM
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06-23-2021, 02:35 PM
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#19
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Give me a museum and I'll fill it. (Picasso) Give me a forum ...
Join Date: Jan 2018
Location: Tampa
Posts: 11,196
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Quote:
Originally Posted by Major Tom
It hasn't happened so far, but that's only because I dramatically increased the dollar amount I was withdrawing about 2 years ago, to help pay for the running costs of a little campervan I had just purchased. Yes, over time, if I keep my withdrawals to roughly the same dollar amount (adjusted for inflation), my portfolio most likely will get bigger. However, I'm sure I'll find good reasons to increase the amount of my withdrawals!
I doubt that anyone, at the beginning of their retirement, sets a dollar amount for their withdrawals, and sticks to it, adjusting for inflation each year, for the entire duration of their retirement.
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Bolded by me.
It would be rare if one actually uses this scenario for a real withdrawal pattern.
It is most helpful to get an estimate of where one stands as they prepare for retirement.
__________________
TGIM
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06-24-2021, 07:08 AM
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#20
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Recycles dryer sheets
Join Date: Aug 2008
Location: Fairfield County, CT
Posts: 476
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Quote:
Originally Posted by deserat
At the risk of sounding like a broken record, another tool is the VPW worksheet at Bogleheads - you put in your pensions and SS, current portfolio amounts, AA and age and it cranks out a recommended withdrawal. It also computes a floor (lower withdrawal) based on a 50% drop in the stock portion of your AA. You can run the spreadsheet monthly, quarterly or yearly. I plan on having my range of spending be between the lower floor and the amount it says I can withdraw. The withdrawal amount is adjusted by your age and portfolio balance.
https://www.bogleheads.org/wiki/Vari...age_withdrawal
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Thanks - had not seen the VPW worksheet previously. I just input my numbers and it gave a very generous result for estimated withdrawals!
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