Yes, all electronic coin in the market is worthy to buy since they will provides you lots of income. You will just learn to wait because investing is very a long process to consider just to have a huge income.
The problem is that most of the coins are scams and not supported by an active community.
You do not need to invest in these coin. Huge profits but also high risk. You just need to invest in what coin you can know the community is good or bad. Example Ethereum or Ripple. Both coins are having huge users and miners (Ethereum) just after Bitcoin, especially Ethereum, it is 2nd cryptocurrency on the ranking cryptocurrency world.