Altcoins are the future, but very rocky and hard one.
Very rocky and hard one? There's a lot of altcoins that had a great potential and you can gain profits especially some of them can be useful such as their platforms. But of course you need to analyze first because not all of them are worth it.
Yes there are more promising altcoins in the market like ETH, XRP, EOS, LTC and many more. I always give prior to the top 10 coins as this will always be in demand. Yes research on your own before investing.