What income would a couple need if:?

- They want to go on holiday twice a year.
- They want to have/raise 2 kids.
- They want to live in/own a house worth 400k+ usd.
- Have enough money left over to have a decent sized savings and enough for retirement.

Thanks!
Update: I know it's a tough question to ask because there are a lot of variables (different states are more expensive, etc) so I'm just wondering about an average ballpark here, just to have something to work with. Is 90k enough?
Update 2: 200k sounds about right! I meant 90k each. Haha, of course no gambling or anything like that. When I say 2 holidays a year I mean one abroad and one not.
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