It's better for such poor people earning very little amount of money and only have $1 as their disposal income not to use bitcoin for payment method but use bitcoin as long-term investment. If they continue accumulating with DCA overtime, they can use their bitcoin investment to upgrade their financial situation in the future. Bitcoin is best for the poor as an investment and not as a currency to use for payment.
We recently saw a
case in which a whale has moved 80,000 Bitcoin after 14 years and it is believed that these Bitcoins are purchased for less then a dollar. The whale has got an astonishing return of around 4 million percent on it's investment he made 14 years ago.
This case clearly tells us the importance of rightly investing your money in right asset. Those who think that investing small amount in Bitcoin won't be of much use must study this case. No matter how much you have just keep investing in Bitcoin but for long duration and you will get good return.