Say what you want about Jet in particular but there's a real market opportunity here. Nobody but Amazon has much of a business in the "everything store" category, and Amazon's prices have gotten high. Compare almost anything there to the price at your local Wal-Mart, Target, etc. and there's a significant gap. Significant enough that you could buy it at retail prices, sell it at Amazon prices, ship it from UPS, and s…
I'm curious to see what items this applies to. I buy most things from Amazon, and when I comparison shop the prime shipping usually negates any price difference with other online retailers, and the price is very rarely beat by any in store prices where I live. Anecdotal to be sure, and I stick to items fulfilled by Amazon or direct from Amazon (mostly due to prime), but I see a lot of savings this way. And that doesn…
Maybe I'm lucky (price-wise) to live in suburbia. Example from yesterday, I bought some bromine for my hot tub on Amazon (cheapest they had because it's all the same) then in Lowe's later the same day saw it for less than half the price. Didn't even know Lowe's sold it!
Amazon prices are really only competitive on things that have a high cost to shipping weight ratio. Buy anything that is bulky or low margin (most stuff in Wal-Mart outside of electronics is one of those) and it's considerably more.
Also, there are a large number of items, like a Nest Thermostat, that for one reason or another have the same price anywhere. Those I buy on Amazon as well.