LeeH: With some banks it's that easy.
Others will put a long hold on deposited funds.
My bank automatically places holds on my new deposits, despite many times the amount held in reserves for years and years.
It is a pain.
I don't believe that is necessarily a bad thing.
Thieves could potentially work both sides of a fraudulent transaction, and leave the bank holding the bill.
Again and again and again.
There was recently a huge international bank heist in the news:
BBC News - Cyber bank robbers steal $1bn, says Kaspersky report