Kelsey Mikula, 27, started buying and reselling clothes in 2020 while she was studying zoology at Liberty University, Lynchburg, Virginia, US.

Where you can get started: Start selling on The RealReal here. eBay How it works ... from niché collectors items to clothing to cars. If you have an array of items from a wide range of categories ...

Callum sources and buys clothing such as Carhartt ... names - M&S would do really well. "eBay goes for anything. Tilt is good for getting rid of stock - I sell cheap bundles on there." ...

You may need to file a self-assessment if you are self-employed, or you earned extra income outside of your main employment - ...