3. Turn Your Car into a Billboard
If your daily commute is a complete drag, turn it into a money-making operation. Companies like Free Car Media will pay you for displaying ads on your car.
There are also several car-wrapping scams out there, so do your research to find a legitimate service before you commit to anything.
The payout: If you do get selected to participate, you could earn as much as $400-$500 per month. Some smaller campaigns that include a simple decal instead of a full wrap can earn you $50 per month.