I've had three orders this week, all three with the wrong items. The supplier confirmed they shipped everything correctly, but my customers are saying otherwise. Something in between is broken. I'm not sure if the problem is in my process or theirs.

I had exactly the same issue in the first quarter. It turned out it was because my supplier mixed up product part numbers during a period of high order volume. After I requested access to the order log, the number of errors dropped to almost zero within two weeks. Perhaps you should strive for this level of transparency on your end.

The real root of the problem is gaps in supplier accountability, not the model itself. People ask whether dropshipping is a scam every time something goes wrong, but fraud requires intent. Typically, it's a failure in order fulfillment coordination. One specific solution is to implement a mandatory confirmation step after each shipment. This distinction is explained in detail here https://easync.io/articles/dropshipping-a-scam/ Insist on receiving time-stamped shipping reports from your supplier, not just verbal confirmation.