All Amazon had to do was make it possible for people to filter for only items shipped and sold by Amazon.com and publicly announce they don't commingle inventory. If they did that, they would be a viable competitor to Costco, Best Buy, Target, Bed Bath and Beyond, etc.
It's not a hard problem to fix. It's an unprofitable problem to fix. See the tiny profit margins at the above listed actual retail companies. The juicy profit margins lie in being a platform and taking a cut of all sales.
It's not a hard problem to fix. It's an unprofitable problem to fix. See the tiny profit margins at the above listed actual retail companies. The juicy profit margins lie in being a platform and taking a cut of all sales.