A couple of articles that might help you:<p><a href="http://danieltenner.com/posts/0006-how-to-get-a-merchant-account.html" rel="nofollow">http://danieltenner.com/posts/0006-how-to-get-a-merchant-acc...</a><p><a href="http://blog.boxedice.com/2009/05/20/taking-payments-online-merchant-account-payment-processor-fees/" rel="nofollow">http://blog.boxedice.com/2009/05/20/taking-payments-online-m...</a>