If you’ve got a halfway decent camera and a bunch of old photos cluttering up your hard drive then it’s worth offering them to photo agencies like Shutterstock, who put your images on sale and give you a cut.

Ignore the naff cliches about “Avon ladies”: becoming a Avon rep can be very lucrative and plenty of men do it too. All you really need is an outgoing personality. It’s easy to apply and you receive a commission on every item sold.

Good at knitting? Love to cross stitch? If so, you really need to start getting paid for your handiwork. Create your own Etsy shop and reap the rewards.

If you’re good at something, why not teach other people to do it too? You can either run a face-to-face class and advertise locally, or post a course on Udemy and generate income every time it’s downloaded.

Rent out your entire home, your spare room, an airbed in your living room (or even your garden to campers) on Airbnb. You can register as a host at Air BnB.

If you have a few hours spare in the evening to help busy professional book flights and make calls; sites like Elance, Upwork and PeoplePerHour are a great starting point. You’re often working for people in other time zones, so plan accordingly.

This “five dollar marketplace” actually lets sellers charge up to $300 for services such as recording and animation by adding on extras. Find out more at Fiverr.

Film companies are always on the lookout for properties to film in, particularly in London. The rewards can be really big, but you have to be willing to put up with a lot of disruption. You can start the ball rolling by registering with Shootfactory.