I think we should add
Kit for sale
Swaps and trials
A few rules...adverts MUST only be for portable ops related stuff.
Sales and want ads are obvious, but the swaps might work for paid up members only. Here we can offer or request swaps and trials, so if I have a mag loop, for example, and I know someone else wants to try one, we can arrange a "lend" etc. obviously it works on honesty so only paid up members please. Also of course it would be up to the parties to ensure it works honestly. It won't be easy. In another forum, now gone, and nothing to do with radio, we had such a forum which was accessibly only to invited members. It sounds rather exclusive, and it was, but it worked very well indeed and we often swapped and traded things worth hundreds of pounds without incident. I think FISTS gets this too, certainly in my experience, so it is possible.
Just a few thoughts