We confidently hold bitcoin and let it move sideways or pump itself. We don't mind using stable currencies but if you are very delicate and value-sensitive, you can do this many times. It's a very well known strategy but you can't say Let everyone know what to do.
When you are losing a lot and holding bitcoin is not the right answer for this problem. Everyone should know bitcoin is very difficult to double on its price caused by it has priced so high.
It's better to stick into the altcoin that can go more than 2x instantly.