It's really good to have a level of indirection between your purchases and the account where your hard-earned money sits. If you have to dispute a charge it's

It's really good to have a level of indirection between your purchases and the account where your hard-earned money sits. If you have to dispute a charge it's much nicer to dispute it when it's on a credit card bill than when the money is already out of your bank account. Think of it like a bastion host for your money.