The drawback to signature confirmation is that it increases shipping costs, which still hurt producers’ bottom line.[25] In addition, producers have started to share data of lists of customers who make chargeback claims. This helps producers see trends of customer’s shopping habits.[26] This transfer of information among producers helps them maximize profits and forces consumers to stay honest. Producers have also started keeping a record of all communication with customers, so customers who want to file fraudulent chargebacks have a harder time following through with the claim.