This is a risky way of investing IMO, unless you are willing to hold your coins for the long term (years), and if you are happy to do that I suggest that you pick coins that you have done your research on and actually offer something to the community. I would instead recommend majoritively holding your coins in BTC keep an eye out for upcoming positive press releases and buy into coins that are due to move in the next week or so. It will minimise your risk and help to generate good returns.