It comes down to one thing: how much you take out. At $1,500 a month it lasts 40 years. At $4,000 it's gone in 12. Both assume 5% a year, 3% inflation, and withdrawals that rise with prices so the money keeps buying what it buys today.
Drawdown is in the app
The 4% rule, tested on 59 start years.
Ten years of waiting costs $651,000.
In year 11, your money starts out-earning you.