It's simple:
1. I don't want to have the extra trouble, (nor does CC)
2. Castle didn't calculate shipping costs, so I got the motor pretty cheap, hence I can ''earn'' money selling them. There are several people I know who wanted a motor but didn't had a credit card of similar, I will sell them a motor for a very fair price
I'm 100% sure CC would take them back if I would ask them.