The first 10 coins on the coinmarketcap are the best coins that you can invest and make really good money in years come. Bitcoin, ethereum, ripple, zcash, dash, litecoin and some many other that has good capitalization are some of the coins you can actually invest and make good money.
Choosing the top 10 coins on coinmarketcap is a good idea which have good volume in market. Aside from choosing top 10 coins try to finds new ICO project who have good token to invest. I think top 10 coins in market are very worth to invest.