It's a very important question.
Credit Card Processing FeesAlthough some companies offer flat-rate, transparent pricing, the reality is it's not that cut and dry. Factors like the type of business you operate to the kind of credit card the customer uses, all play a role in determining the actual cost of that transaction to the business owner.
Additional Fees
Be on the lookout for additional miscellaneous fees such as premium or VIP customer support fees, account maintenance fees, and statement fees that will vary from one provider to the next.