Prefer credit and put hold with debit thy will put larger hold..
You don't see the charge until you return the car that's what happened to me when I was in my vacation after two weeks down I received the bureau in my income Bank
Alamo takes debt cards as long as you have a round trip airline ticket. They hold the amount till you return the car.
They need a credit card. They may take a debit card, but will put more on hold if they do.. most won't take debit cards
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