I gave someone a car once. But that was more because I couldn't sell it. The same with a motor home. I hate selling things. Probably the nicest thing I have done I cannot think of at the moment. Maybe it wasn't a big deal to me, but they really dug on it. I have no idea.
Two things that strangers have done for me have saved my life. The first one was a fellow from a chatroom. I was taking pills to commit suicide and posting to the chatroom. He private messaged me and ended up calling me on the phone. He talked to me enough to make me feel better and told me to quit taking the pills. I hadn't taken enough to do noticeable damage. So somewhere out there, Hack Benjamin probably doesn't realize how much that meant to me.
The second fella (always guys) found me and my soon-to-be husband on a mountain. We had tried to leave a certain 'illegal' gathering by walking from one state to another over a mountain and through utter wilderness. Definitely not the smartest move. We were headed on our way back from the mountain and eating roadside strawberry plants when this guy pulls up. We get to talking and he gives us bottles of water and bags of trail mix. It was amazing. He also gave us a lift into the next state. He may have talked a bit about aliens and alien detectors, but he was a good guy who saved a couple of stupid kids. Thanks guys. You both rock.