Here are some examples for sharing. If you are addicted to spectacle, play the money game instead.
- share your books
- share a drilling machine with your neighbors
- put together and buy (still!) a high-pressure cleaner
- store the high-pressure cleaner in a collectively used workshop
- bring your broken computer to a group specialized on repairing computers; they will have spare parts and knowhow
- teach others how to sew
- share your wireless internet connection
Read more on the idea of pool economy.