You do not need to do that if your aim is just to work, it's the same because you are living in a country where minimum wage you can spend depends on the cost of living, unless you work in big countries and you spend your income in your country.
As per statistical analysis, the cost of living and earning opportunity are falling in same ratio across all countries regardless of continent or tier differences. If you live in a developed country, you may earn big but you need to spend big for a comfortable living there.The only solution I could think of is to have a business, that will give you freedom and will not end up working for the rest of your life.
Practically we need to understand running a business must need more working hours than a regular job, because working under an employer is more easier than being an employer and managing many employees is really challenging and needs more time to manage them effectively also by investing very big capital for the business.I agree!if i gets old, i want to have a stable life. I rather save for my future business aside from my investment on bitcoins which is i cannot say that is really stable. For now, i keep myself on track to have more earnings that i can add up on my savings. I am also focusing on my work and during my free time, i will check my investment, abd collect free satoshi.
save all you incomes and budget your money 
