I like MMR, but like many people in that genre these over-simplified calculations only really work for a very narrow set of circumstances.
What happens if you want to buy a condo in a competitive market that requires a 200k downpayment? Or have a medium-sized wedding? Or have two kids in day-care?
I understand that the FIRE response would be that you don't _have_ to buy into all that stuff, but saying that it's just a little algebra and some simple assumptions is fantasy unless you want to live like a single 24 year old your whole life.
What happens if you want to buy a condo in a competitive market that requires a 200k downpayment? Or have a medium-sized wedding? Or have two kids in day-care?
I understand that the FIRE response would be that you don't _have_ to buy into all that stuff, but saying that it's just a little algebra and some simple assumptions is fantasy unless you want to live like a single 24 year old your whole life.