if we talk about long-term coins, then I choose coins that create their own detachments. (Zilliqa,Quarkchain, Edenchain, Eos...)
But of course the increase in value depends on how the team is working on developing the project.
Sounds like a really good advise. But you need to understand that day trading requires more knowledge about trading and trading skills as well. Also it takes a lot of time for this kind of trading.