Reading from earlier post, I have a Q.

Can I get Citibank / AAdvantage Debit card to get AA miles, by open a checking with Citibank.

Then I'll use it to buy money order from Alberson/Post Office, to pay my mortgage, etc..

The earlier threads said they can do the same for BofA check card.

But Citibank has a little text "Signature-based transactions"

What is it??

Tks

John