Those may be better opportunities but I would put at least some of those funds into the top 5 marketcap coins. It is safer and will provide less return but you won't be worried about your coins all the time and for peace of mind I will pay for that gladly. Take 2k and throw it at BTC, ETH, LTC in my opinion the rest can go to strong alts.
Obviously. We may feel the market is already big for them and they may not rise that much, but at least you will be safe with your investment somehow. The remaining little chunk can then go into other Alts that are worth investing and then seeing how they play out in the future. I have a lot of optimism for so many coins that are extremely low in the market, and that should be OP's target and the ones he mentioned are sure part of them.maybe you can find out about the project worldcore and I think the project is very suitable for long term investment, because I see the potential of the project is very good.
I have some worldcore too, and I really hope they do well. For now, they have been taking a dip lately on HitBTC, but it is normal, I guess. It has potential but it is a world of different possibilities and anything can happen to any coin, positively or otherwise. Once the OP gets to coinmarketcap, I am sure he will know where to start from. 
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