Selling fur on the carcass,will cost you at least half of what the fur is worth.There is as much or more money gained by putting up your fur,as there is in catching it.
Selling fur in the round(carcass) presents many limitations and restrictions. It will pay you more ,to catch less fur and put it up.
This is a very good topic,glad you brought it up.We will take some other peoples answers,before I get into it again.
Tom