So would it best just to buy them and hold for couple years?
Well, I am not really a good guy to recommend holding for a couple years as I know little about investment
Investment = buy low, sell high
It's some kind of gambling. Watch the LTC chart for the last 12 months, nobody knows what will happen. Like he said:
No one knows what any crypto will be like a year or even a week in the future, so all I can say is do some research and see what will work out best for you , cheers!
Important: Only invest an amount that you can afford to lose.