Do you think they're running loads of security tests all the while or something? I'd imagine a majority (if not all) of the checks are done up front- especially given it's 2015.
Pretty sure they get a nice bump on their balance sheet for cash "in-transit" - and keeping the timeframe to 3-5 business days only magnifies that effect.
Pretty sure they get a nice bump on their balance sheet for cash "in-transit" - and keeping the timeframe to 3-5 business days only magnifies that effect.