It's easy to dump your coins even if you're intentions is to hold it. Especially when the market goes up. Let's say you Hold it for 6 months a it went up a good amount. so you became greedy and sold it there. But little do you know after a year or so the price of that coin tripled. So, before dumping your coins take a good look on the future of that coins. because maybe there are coins that you have that has the potential of the "Next Bitcoin" you just don't know it. It's just a matter of risks you're willing to take.