They delay charges or they enter the big amounts first, then hit you with over draft fees when they enter the smaller amounts or they make payment on a charge knowing that thier is not enough money in the account. Or if you use thier bill pay system thier window of oppurtunity to cancel is very small. As for how they handle debit card tranaction needs to be addressed, no longer should they allow merchents to hold on to tranactions till they are ready to processe it especialy if its a debit card, those should be processed right away.
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