Retail Arbitrage - Step by Step Guide | ITechBrand.com
Retail arbitrage is an ecommerce business model that involves purchasing merchandise at a discount from both offline and online shops and then reselling it for a profit online.

It appears to be straightforward money. There's a catch, though. The actual cost is the time, effort, and resources spent going back and forth between merchants, looking for discounts, and taking advantage of bargains. All of this is on top of listing products online and dealing with logistical issues.