Lol. You really don't meet people. My first couple of days I would ring the doorbell and wait for people to open the door and hand them the package (expecting a tip). Nobody tips their package delivery drivers. Once I realized that, my goal was to finish my route as quickly as possible. So unless there is a required signature, I ring the doorbell and put the package in a safe place on the porch (they started requiring you to photograph the packages where you place them if you don't get a signature).
For me, I didn't work for Amazon, I just did Amazon Flex (there's a difference), you are basically an UBER for Amazon packages with the flex program. So, they normally offer routes that are supposed to be 3-5 hours. My goal was to finish as quickly as possible. In the area I live, they would offer $24-27 an hour, sometimes during holidays (when they really want to entice people), it can get up to $30 an hour. They post the available routes on their app that you will put on your phone. It's first come, first serve, so you have to be quick. You accept a route from lets say 3:00 to 6:00 for $75.00 ($25/hr). You go and pick up your packages at their warehouse (I think there's like a 15 minute grace period before they cancel your route and give it to someone else). You pick up lets say 20 packages. They will pay you $75.00 no matter what, so my goal was to finish as quick as possible. So if I finish at 5:00, I just made $75.00 in two hours and once its 6:00pm and you still have packages, they app will tell you to go back to the warehouse drop off the rest your packages. It's really a great way to make some extra money.
It's totally different if you work as an Amazon employee, I believe they offer you a vehicle in that case.