A brony randomly finds herself in Equestria, transformed into a pony; she still possesses her laptop, though, and everything she orders on Amazon is somehow still finding its way to her doorstep.
Shenanigans ensue, possibly involving a monopoly and definitely involving the Crusaders. Crossover tag related to some of the things she orders... that the real Amazon doesn't carry.
Disclaimer: The main character in this story abuses an Amazon account. Do not attempt; In real life, this would likely lead to account termination and, for the scale she does, legal investigation.