when I had the question, I called a Rav, and his Psak was its Asur, unless I get permission from the producer. I called the producer and he said NO. I offered to mail a check for copy (same as original cost) and he still said NO. So no, you dont buy rights to do whatever you want. You buy the right to use the purchased copy you paid for, nothing else.
Ari, what is your source of Parnassa, and how would you feel if someone would bypass your services and cause you a loss of income?
Poeple, please dont be selfish and look for every excuse why its mutar. For you its $10, for someone else its their Parnassa.
Please.