[ChristianMarks]

I remember calling my bank one day and hearing that not only was my balance over a billion dollars, but I had a "two day float" of several million dollars. I called back to make sure I had the right number. I did--the amounts were increasing. Unfortunately, by the end of the day whatever it was corrected itself, and I was no longer a Forbes billionaire.

[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.