Among our other common interests (including of course ham radio) and complimentary skills we have recently added geocaching to the mix.
We've found that it's a lot more fun to hunt together than alone. It's also a lot safer too - there are certainly some caches that are in
areas that are difficult to reach. It's always good to have two sets of eyes and ears looking for trouble or just a better way to approach things.
We're not much into trading stuff although we may take something out if it's just too full. We report problems with caches like wet logs. We try to
put things right if we can.