Ever head into TJ Maxx (or browse its website), take a look at its prices and wonder how the retailer is able to sell this stuff at such low prices? Here's a quick explainer: TJ Maxx buys ...

Consider the 20-inch Ditta Hardside Carry-on Spinner by Toscano ... but sells for $69.99 at TJ Maxx. Even on sale, Toscano luggage tends to go for far more on the Toscano website.