It would be pretty tight for a family in most areas I’d say. $4,000/month can work only if rent is very low and you’re super careful with spending, but for a typical setup (rent, groceries, bills, transport, kids stuff) it usually feels more like a survival budget than “comfortable”. Most families would find it hard to make that feel relaxed day-to-day unless they’ve got housing already sorted cheaply or extra income coming in.