Re: Margin of error for expense
i pad each expense and then round up. then i pad the total and round that up as well. lastly i add vacation/emergency budget onto that. hardly scientific but easier for me to sleep.
i'm happy to report since re i've stayed well within my budget without even trying.
"off with their heads"~~dr. joseph-ignace guillotin
"life should begin with age and its privileges and accumulations, and end with youth and its capacity to splendidly enjoy such advantages."~~mark twain - letter to edward kimmitt 1901