[jaggederest]

Withdraw cash and flee to a non-extradition-treaty country in your newly-purchased cargo plane?

[unreal37]

What is the maximum amount of cash you could withdraw from a bank account in a single day with no advance notice to the bank?

Probably less than $10,000. And probably not enough to be worth fleeing to a safe haven for since the plane tickets and one week in a hotel will cost approximately that.

[jaggederest]

I've personally done more than that. You do run into reporting issues if you pull more than $10k at once though.