In order to get a loan in the first place, you have to have proof of income. Loans are not given to people who have low-income for starters. You have to have some kind of income to qualify at all. Getting a loan just to make extra money is not something a low-income person can do to get access to extra income. A job provides secure income as does stock or other, unconventional ways of making money. Getting a personal loans for bad credit since your credit has to be good enough to qualify for a personal loan.
A lender with a good reputation would check out your past, and present credit scores using different scoring models, because not every credit-reporting company has the same data about you. You may have scores ranging from 300-850 and not even know which is why checking your credit becomes important if you want a personal loan. Fixing bad credit requires having a credit history, implying you already have some experience with credit. Credit unions may lend to you despite bad credit but even that type of loan is not safe for anybody unless you have absolutely secure income.
The terms of a loan are set so that the loan is repaid over time. Eventually your loan is set to 0 again but small business loans with terms can be useful for new businesses. New companies may use a loan for major purchases. Monthly payments are set to the amount you spend on the new company car because loan fees need to be charged by companies with a prepayment penalty or late payment fee. Personal loans might have to be used for unforeseen expense. The cost of borrowing may be a barrier to get a loan, so pick loans that make sense for your income bracket.