Everyone, rich or poor, can invest, if they have discretionary money or a source of discreet income. From my point of view, there may not be a person whose monthly income is less than $200. Maybe there is, but I do not know that. If you can set aside $50 discreet money monthly from this $200, then I think you are still eligible for investment. The amounts mentioned may be more or less, but I think more than $20 discreet money per month is eligible for investment. Although the amount is small, but in the long run that money can be more than the expectation of a person.
So I would say, do not give importance to the amount of income or your position for investment. Rather, give more importance to how much discreet money you can set aside. If you do not have discreet money after meeting your daily needs, then I will say with great sadness that you are not yet eligible for investment. You should look for a discreet source of income and keep the enthusiasm for investment alive. So that you can jump into investing as soon as you find a discreet source of income.
some poor people still think Bitcoin is for the rich cause they feel they can't buy with a similar amount the rich use in accumulating, but then they can accumulate gradually as little as they can for many years and still be rich in the future, patience is just the sacrifice they have to make to build a big portfolio that would change their status from poor to rich, it's not something very difficult but with determination they can achieve it.
There are some investors who have money but they act foolishly and at some point they regret their mistakes. A misconception that some investors have when it comes to investing in Bitcoin is that they think they need a lot of money to invest. But if they start accumulating Bitcoin by investing their own discretionary income within their means, then they can definitely build a large portfolio in the long run. There are many rich people who fail to choose the right platform due to lack of investment knowledge. On the other hand, there are some people whose income is not like the rich but they can get the opportunity to own large assets in the long run by investing in the right investment platform like Bitcoin.