There's this: http://www.backpackinglight.com/cgi-bin/backpackinglight/policies.html
And then, separately, under Gear Swap in forum index is this: New and used gear to buy, sell, or trade.
Membership Required to Create New Threads: Offers to buy and sell used gear is a privilege of Backpackinglight.com Membership. Please support our forums and SUBSCRIBE today.
For Sale postings may not include references (especially URLs) to any external listings. We'll cheerfully remove such cross-posting information.
Begin your post with FS (For Sale) or WTB (Want To Buy) for clarity.
Once your item has sold, please edit your first post to reflect that fact.
Posting a price reduction on an unsold item is perfectly OK, as is posting that some items have been sold. However, 'bumping' postings so they are back at the head of the queue is severely frowned upon and may result in the removal of the whole thread. The same applies to WTB posting.