Accepting credit cards for any web site through a third party merchant account also requires you as a merchant to safeguard against the possibility of expensive chargebacks. Learn exactly how to reduce lots of unnecessary refunds and chargebacks before it kills your business. Keep your customers happy and develop trust and a good reputation by serving their needs as best as you can. Your customers are the life blood of your business. If they feel they have been treated well throughout the order process they are more likely to buy from you again and recommend your site to others.