I don't that's actually how things work for a long-term holder, you are actually talking about short-term holding. Short-term holder are those who will purchase Bitcoin and wait till there's any increase in market and sell their coins which is almost like trading with your coins. For long-term holders are those that kept  accumulating while they hold Bitcoin till they have gotten themselves some reasonable quantities of bitcoin stashed in their portfolio . So not all holders target is to sell Bitcoin during an increase in price. Because most holders are low coiners, and a low coiners with a short-term goal may endup not yielding any thing at all because he or she haven't taken their time to build a better portfolio for themselves by using DCAing and other related strategies in accumulating bitcoin, aslong side having a good principles to secure a long and better HODLing.

Besides one don't actually need to have any complex knowledge about Bitcoin before thinking of starting their accumulation journey, one just need to have some good basic knowledge about bitcoin and he is good to go in his bitcoin accumulating. Because focusing on accumulating knowledge alone in Bitcoin, may only lead to you missing out big time. So as you are learning about Bitcoin more , at same time focus on accumulating more Bitcoin for hodl.