The most important factor is your trading/ investing strategy.
Most people suffer unnecessary losses when prices go up by chasing greater gains when they should be hedging/ taking profits.
Just because a crypto does not succeed (in the long run) does not necessarily mean an investor cannot make a profit during the ride.
Absolutely. We'd certainly would like all our investments to survive in the long run, but most of them won't. Hedging, and rebalancing our investments is crucial to success.