Personally I really don’t think someone who is struggling to survive can go into investments, before going into Bitcoin investment one need to be financially stable, having a reliable source of income also support and help investment and one also Need to be prepared emotionally before investing into Bitcoin , having a clear picture that investing in a longer term is the goal ,and they must make sure daily needs are met with that it can help in market volatility, all this will contribute to the success of the long term investment .
It is very important for a person to have a stable source of income to invest. Instead of trying to buy a whole Bitcoin, a person adopts the DCA method which can be expensive, which allows us to buy small amounts every week or month or regularly, depending on our ability. This method allows us to invest quickly without waiting for financial stability, gradually builds our Bitcoin number over time and even helps us to average our purchase price, helping us reduce our risk. It is very important for us to have proper financial management. There are many people who invest but they can manage their money properly, which is why they often have to sell their holdings.
For example, if someone invests and spends a lot of money on it. If he spends more than his stable income, then he may end up in debt and have to sell his holdings. If you do not have an emergency fund ready, create an emergency fund in addition to your investment. Create an emergency fund equal to 3 times your stable income.
Your write-up is very complicating as you do said that,Using DCA Method can be very Expensive of which I strongly disagree. I must say that DCA strategy is most used strategy in accumulating Bitcoin by Investors over the years,This is so because,it is the most convenient method so far. With DCA strategy,you can buy Bitcoin regardless of the current price using your discretional income whether it's low or high, that's is from your little discretional income once it's available,you can used it to buy Bitcoin.
Furthermore, It is very important we should start building up our Emergency funds alongside our Bitcoin portfolio. Building our Emergency fund might take up to 3-6 months or more depending on our financial strengths. A stronger Emergency funds will helps keep our Bitcoin portfolio untampered over the years of consistent accumulation and as such, should only be used to sort out real time Emergencies only,as every other used of the fund is unaccepted and should be avoided.