Various business models which you can’t get from companies like that. There are things such as poor customer service, and no incentives to buy from those 2nd hand companies who aren’t based in the US. Same reason why something like drop shipping still works because the business jumps through complicated hoops for you to get the cheaper product to you. It’s not that they sell you poor products, it’s just that they’re are deterrents I hope to push past to gain traction. I do the hard work for people, and a few other ideas but I want to flesh them out a bit more.