In the /shop GUI for Islands, you cannot sell feathers or wool--a key mob drop from chickens and sheep. I believe you should be able to sell these so you can make money faster without having to donate to get certain items. Having to donate to get certain items faster is a pain especially when you do not have a lot of money to spend. In the poll below, you have the options to choose:
Yes = Both should be added
Yes = Only wool, no feathers
Yes = Only feathers, no wool
No = Neither should be added
Yes = Both should be added
Yes = Only wool, no feathers
Yes = Only feathers, no wool
No = Neither should be added