Three things
Here are 3
Pick one. Each takes about as long as it says.
Return it better than you got it
The borrowed car with a full tank, the returned dish with something in it. The margin is what people remember.
Half an hourUnder $10A neighbor
Bring tools out when someone is moving in
Moving day is the one day a household owns everything and can find nothing. A screwdriver at the right hour is remembered for years.
Half an hourFreeA neighbor
Clear the path next door before your own
Snow and ice are a broken hip for an older neighbor and an inconvenience for you. The order you clear in matters.
Half an hourFreeA neighbor