I cannot give myself a goal. If the price goes down, I'll buy more. If it goes way up, perhaps sell a bit. That being said, it has not gone up enough to a point where I have ever sold.
It also depends what new releases really catch my eye and make it to hard to resist.
RE: My Silver Stacking 2K18 Big Aloha Goals! WHAT IS YOUR GOAL FOR 2018!?