Yes, that's definitely right. It's best for an investor to observe when to buy and have the right knowledge.
Investors who are still in their accumulation stage does not need to observe the market before he can buy bitcoin, neither does a brand new investor wait for a proper time to by bitcoin by observing the market because there is no best time to buy bitcoin, just buy anytime that you have your discretionary income available and have a long-term investment mindset by setting a bitcoin target for yourself. If you want to observe the market and buy when you have the right knowledge you will be wasting time and missing out the chance of buying immediately and start growing your bitcoin investment.
It's difficult to understand the price movement of bitcoin which makes waiting irrelevant and a waste of time because it will limit the quantity of bitcoin that you will accumulate in the long run. There's no need of having the right knowledge of bitcoin or the market before you can get started, only the basic knowledge of bitcoin and your discretionary income is enough for you to start your bitcoin investment while you learn as you invest for a broader knowledge.