Impossible to simultaneously maintain lowest price on 500m+ items. Also, Amazon doesn't set the price. It competes with 3P sellers.https://twitter.com/matthewstoller/status/900844866313355266 …
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Amazon puts Prime in buy box bc customers prefer more $ for 2day shipping up to a point. When there is >1 Prime offer, cheaper one gets BB.
The scenario described in the article is rapidly disappearing as the vast majority of sellers go to FBA / Prime
That's called monopolization.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.