Here was the first sign that we knew Amazon took some of our tips they don't give you a detail of what the customer has tipped you out like doordash. The second sign was that Amazon tells customers to tip in the app instead of giving them the option to tip in cash. So how did we find out? We have asked each customer on our route, "How much should you tip?" And when the total comes out in 2 days we saw a difference from what was paid out. You can do the same and then you can see the Amazon steals your tips! Tell customers to tip in cash.