Is there a store online where you can buy rare comic books with money order? -

Is there a store online where you can buy rare comic books with money order?I would like to buy comic books with money orders.My mom is scared to use her credit card on any store.I would buy them off ebay but you have to have paypal. So please, if there is a place where i can buy comics (batman) with money orders!

DemolitionComics.com