Holding BTC and not selling the top..

Hey Gang,

I'm not a trader. I keep watching videos of Youtubers talking about selling the top of BTC this bull cycle. Makes sense..

However,

What if a person was to just hold their BTC and not sell for say 3 years?

Would it wise to just do that instead of trying to sell at the top and hope that it goes down to buy back in at a cheaper price? Not to mention there's the tax issue of trading. Why not just wait for 3 years and then do some DCA out of BTC?

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Thanks!