The volatility of bitcoin is based on supply and demand in the market, so you cannot control the volatility of bitcoin, and no one can. What you can do is control your own emotions about the volatility of bitcoin.
What you mentioned, I would call it an investment strategy, and they really work for everyone. If people can apply the 5 strategies you mentioned then I believe people will not be harmed by the volatility of bitcoin.
Knowledge is power! Cheers 🥂
It is not only strength but also the only key, the only way to success.