You might be overestimating the help you’ll get in the US. I’ve seen a lot of posts complaining about the (grand)parents wanting grandkids and promising to help then seeing the kid only once a month or so.

What does school, daycare and healthcare look like where you are ? Any government assistance ?

Better have it and not need it than vice versa ? Plans are nice to have but (not sure how old you are) if “retiring to Asia or LATAM” is 20+ years away there is a chance you might change your mind, or circumstances might change (politically, environmentally or economically) and push you to reconsider.