Earlier quoted context omitted.
The worst part is that your wealthy family member is right. It is well illustrated by a quote from Terry Pratchett > The reason that the rich were so rich, Vimes reasoned, was because they managed to spend less money. > Take boots, for example. He earned thirty-eight dollars a month plus allowances. A really good pair of leather boots cost fifty dollars. But an affordable pair of boots, which were sort of OK for a se…
This is very naive and short-sighted, what percentage of your income go to boots? 1%? Your own example is talking about a ROI of 50USD in years, yeah sure ... that's wealth right there. People spend 90% of their wage on: rent, food and basic services. Can you be very smart and hack your way into halving your monthly rent? Can you be very smart and buy a really good potato that will last you for years? Can you be very…
AirBnB exists, for example. There have been people who sleep in trains and rent out their apartment in their absence - it’s not fun, but it does reduce rent.
Potatoes can be grown, for example.
You can shop around for a place where utilities are included, for example - and many utility companies will give you rebates to do things that lower your bill.
None of these are really a path out of poverty though.