It’s really dependent on your age, whether or not you have healthcare insurance through a former employer, and when you plan on drawing social security. At 67 you can probably retire comfortably with $1m but at 57 and no reasonable healthcare then no $1 m isn’t enough.
Yeah this is what I meant to bring up earlier but got distracted. Health care for 2 will be about $2000/month conservatively.
House and car insurance about $500/month (assuming no kids car on your insurance, else add $250/kid)
If you live in central Tx and want to stay here, that's $1000/month property tax
Then add $800/month for water/electricity/services/phones/internet
So that's $3500-4500/month BEFORE EATING if you try to retire and pay for everything on your own.
And I do want to pass some onto my kids, not sure how they are gonna afford a house otherwise (but wife keeps telling me they'll be fine).
I do think $5mil is way more than enough to retire mid-50s without health care paid for, but that $2mil can sure disappear with a couple of decent vacations and the occasional new car. And $1mil is a non-starter for early retirement.