Now, we've all heard of renting out a room, but what about renting out your driveway?
That's exactly what homeowners in Cardiff have started doing using a website which matches drivers with spaces.
With the average cost of parking in the city at more than £12 per day, its no surprise that they're cashing in with cheaper prices.
Figures show that people here have made more than £65,000 in the past year.
Jessica Main reports: