I'm not sure I'm qualified to give advice, but I'll tell you whaat I do. I'm focusing on BTC, ETC and maybe one or two major alts. We have so many coins, they appear and disappear all the time and I'm pretty sure 90% of the coins we have today won't be here in 5 years from now.
Because this is a very long term plan, you need safety and this is one measure for not losing money.
Keep them safe, not on exchanges. Other than that, I don't know what to say.
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