This will likely stir up some debate ... #1 Price your sales any way you want. This is just opinion and this opinion is subject to change.       Riven prices are all over the place and have annoyed the crap out of a lot of people.So much so that a lot of people do not even use them at all. To be honest they are not in anyway necessary to successfully participate in any part of the game. They do how ever exist and because they do, a lot of people are using them and invest in them. Buyin