Not withdrawing from the investment should be the goal
This ambitious ultimate goal only can be achievable if your investment strategy and personal financial management is very good. Like you always have your financial reserve to use, and surely don't need to touch your capital stored in Bitcoin investment portfolio. If you manage your personal finance like this, it's highly likely no need to sell your bitcoin, to withdraw it from your Bitcoin portfolio.
They can consider withdrawal strategies like yours.
[ANN] JJG Sustainable Bitcoin Withdrawal Strategyhttps://bitcoindata.science/withdrawal-strategyJust to be clear, my discussions about various sustainable bitcoin withdrawal strategies (whether price based or time based) presume the reaching of an over-accumulation status, so from my own perspective, if a person is still accumulating bitcoin and they are wanting more bitcoin, then they have not reached over-accumulation status. Frequently people conclude that they have reached over-accumulation status prior to their actually reaching it, and part of the evidence of their not reaching such status is because they are still wanting to accumulate more bitcoin.
but it does not need to delay getting started and buying your first $10 of bitcoin, especially if you figure out that you have $10 available. You were considering to buy $10 worth of cigarettes to smoke over the next two weeks, but instead of buying the $10 in cigarettes, you decide to not smoke for the next two weeks and buy $10 worth of bitcoin. What is wrong with that? It is a trade off.
Investment has to start with good understanding about Bitcoin fundamentally, as well as knowing about its risk and chance to get profit. All things need to be based and learned from Bitcoin white paper, available learning resources for beginners, and historic price and ROI of Bitcoin.
After have good knowledge about Bitcoin, it's time to find a good investment strategy, and among many strategies, Dollar Cost Averaging is a best one for almost all investors.
https://dcabtc.com/https://costavg.com/I doubt that any of the things you mentioned need to be learned prior to getting started investing into bitcoin. A person can start investing into bitcoin and figure out the various topics that you mentioned as they are investing, whether they start with $10 per week or some other amount that they consider as a reasonable way to get started, and so it seems to me that getting started is one of the main things, and all you need to know is whether you have some discretionary income, like $10 and then you can get started and figure out the details as you go, and the more you learn, the more likely that you would be ready, willing and/or able to increase your weekly investment amount and/or to make any other adjustments based on ongoing learning.