"Extra money" refers to additional income or funds that you have beyond what is needed for your regular expenses. It is money that you can use for things you want or save for the future. Full definition
Based on the value of a property, this type of loan provides financial assistance to homeowners looking for extra money for renovations, debt consolidation, and other purposes. (mortgagebrokerstore.com)
The sharing economy opens up opportunities for workers to work for themselves full time or make extra money on the side. (entrepreneur.com)
Instead of spending extra money on a new car, invest your money! (starloanservices.com)