I once purchased £300 worth of H&M x Balmain clothing and resold all of it on eBay for a £1,000 profit. If this isn’t proof that there’s money to made through reselling on eBay, I don’t know what is!
The process of becoming a successful reseller involves sourcing goods from various suppliers (charity shops, boot sales etc.), marking up the price, and then selling via eBay or other marketplace websites.
For practical tips on how to get started selling on eBay check out this blog post by Big Commerce.