Research similar items first. A common starting point for used goods is 1/3 of the retail price . Essential Safety & Etiquette

Most groups are private. You must often answer entry questions to verify you are a local or a real person to weed out scammers.

Once you've commented, send the seller a private message immediately to arrange pickup and payment. How to Sell

The standard etiquette is to comment "Sold" or "Interested" directly on the post.