boarding ramp need to sell

I am new to forum and ran across For Sale Items. I am a previous 57' Hyatt yachtfish owner/operator but new to forum. I have a 6-8' folding all Aluminum Ramp that I would like to sell, can i advertise this item for sale? I enjoy reading the threads and I am a trawler guy now and looking for a 40-60 trawler (Hyatt Lrc is my current how button and will be pulling the trigger within the next year 1/2. Please let me know how to go about advertising this ramp if I am allowed to.

Sold in 2011