Their basic underlying assumption appears to be that they're no longer in danger of losing customers and can now act accordingly. Now that they've captured 50%+ of US ecommerce, they've also raised many prices, to the point where they're far from the cheapest price in many cases. A random example... the cat litter I just purchased is $17.89 at Amazon, $13.49 at Walmart. Last week I bought a chair mat for $21.95 on Eb…
But yes, those vendors are probably taking advantage of the effects you're talking about.