shipped another persons order. Now I have to ship ...

shipped another persons order. Now I have to ship the wrong parts back and reorder my parts and pay extra to get them shipped to me in time. I buy my parts from the least expensive place, (who pays more when they don't have to?) but with screw ups like this Rock auto is no longer the best place to buy. At least if I buy local I know I'll get the parts I want the first time when I need them.