Actually, there's reasons to be scared of trying that. What you suggest is not guaranteed to work.
You didn't have a cushy job lined up, and counted on being able to get a job that would work. That's hardly guaranteed. You could easily wind up living a thousand miles from anyplace you've got personal support with rapidly dwindling savings.
You are lucky with your house. There's a whole lot of things that can happen to a house being rented. Most of them are much easier to deal with when you're not across the country. If you've got a relative or good friend who has volunteered to take care of things for you, great. Not everybody has one where they're moving from, and there's questions like how much free work can you expect out of your friend or relative when things go wrong. There's no particular reason you won't wind up with no rental income, thousands of dollars of repairs to get done remotely, and still have the house payment.
You were able to deal with an unexpected $10K expense in situations that must have strained your finances. Congrats; many people can't take that in stride. The ideal of six months' savings frequently doesn't work in practice for young couples with children. Now, what happens if your kid needs more expensive medical care, long-term, and the insurance companies call it a pre-existing condition? You've spent a lot of money already, may be getting drained by the long-distance house, and that house doesn't give you a place to live.
So your job doesn't demand long hours and has a reasonable commute? Good. How certain were you of finding that job? You're the new guy there, so if there's a temporary dip in the economy you're back out pounding the pavement. Got a backup plan in case you can't find another job that's close, pays enough to cover your increased needs, and doesn't require lots of overtime?
Where did you move to, where you can be assured of jobs you like that pay adequately, cost of living is low enough for you to get by, schools don't suck, etc.?
So, it's great that it worked for you. Some people are scared because there's an excellent chance, if they try this, that they'll wind up unable to support their children in a reasonable (not affluent) manner. You seem to disregard all this and think that, just because you were sufficiently lucky, anybody who tries to emulate you will also be sufficiently lucky. It really doesn't work that way.