I just tried this little exercise, which was fun (thanks!). Not having two homes, I looked at other options in the event that my stash declined by 50%.
I discovered that I'd need to increase my WR to 3.4% to spend what I normally spend. So that is not so bad. But the catch is that any future CCRC thoughts might have to be tabled forever, unless I could scrape together enough money for it by selling my house and from my usual spending money. Doesn't sound like a gold plated CCRC would ever be in my future, if my stash declined by 50%. Maybe I could afford a cheaper one with abusive help, stale food, and so on.
Of course I am hoping that "Plan A" (aging in place) works out and that I don't need "Plan B" (a CCRC).