Charlie Munger (former Vice president of Bershire Hathaway) used to say that once you have found a "no-brainer" you had to stay put, and "sit in your ass" until it comes around.
A "no brainer" means an investment that meets a very strict criteria with high probability of success and a margin of safety (attractive price).
After the purchase the market could fluctuate widely, 20-50%, even for assets and equities with intrinsic value. Such Mispricings due to systemic conditions, are opportunities most people ignore out of fear.
In crypto, although not even $BTC is as riskless to be a long term investment at current prices. Gradual Accumulation is the best strategy for building a position and thus gain some exposure without being subject to a massive drawdown.
Warren Buffet said:
There are times when laziness strikes us as intelligent behavior.
You have to enter with some advantage do not buy is high days, or near the top. Unless there is true momentum, a trader would be locked in the worse of places for a long time, if not permanently. For not all assets perform over time, that is, there might not be constant appretiation.
Anybody who bought $SOL at 220 or $ETH 3300 are still waiting to breakeven, if they were not liquidated when the prices dipped to ~94 and ~1300 respectively.
But when they did, would not you assumed then they were available at discount being near a 2-3Y lows. Being the most widely adopted networks they stood the greatest chances for recovery.
Waiting for an entry that offers MARGIN OF SAFETY is basic and fundamental to successful trades