I suggest that when selling game valuables on the community marketplace, we add the option to include fees not only in favor of steam, but also in favor of the creator of the game. If the creator deems it necessary. When you just buy an enhancement in a game, it doesn't immediately give you the items you need. Personally, I prefer to buy the items I need. Rather than wasting my time on cards I have no interest in.
I also do not like to negotiate with someone to exchange, it's easier to find on the community market, sell what you got and buy what you need. Games are about relaxation. I, steam and the creator of the game benefit.


For steam, this support for creators can cause an influx of both creators and players.