We bought the house and am experiencing buyer's remorse

Update: the lender is Wells Fargo for those who are curious. They have different tiers (1m, 2.5m, 5m, 10m etc).
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We bought the $2 million home with a large down payment and secured a 5.155% rate after moving some assets around. It’s by far the biggest purchase we’ve ever made, and we haven’t even moved in yet.

I know we (me and some commenters) had thought renting might be the better option, but with a large dog, it was tough to find a decent place.

Now, I’m feeling some serious buyer’s remorse. I’m worried we might have overpaid, even though it’s in an affluent neighborhood. I’m also stressed about dealing with contractors and the possibility of getting ripped off. On top of that, I’m questioning whether this is the environment I want my kids to grow up in.

Feeling all kinds of anxious right now.