Credit Card Discussion

I am working with the publisher of a small journal. We need to make arrangements to accept credit card payments for subscriptions and advertisements.
How do I do this? What are the search terms I’d put into Yahoo or Google? (If I just enter “open credit card account”, most of the [...]

I have some things for sale and the guy wanting to buy them lives 500 miles away and wants to pay by credit card. Is there any way to receive his payment?

For example if you have a limit of $500 and have $500 available on an unsecured card but you need about $300 more to purchase something for $800 that does not accept cash - credit card only. Can you pay the unsecured credit card that amount ($300) and do you then have the additional credit [...]