<t>Thats about right diffucult to explain on here. There will be a link somewhere on your own profile to create another page. Set up your selling page on that with whatever name you want upload images etc. When you sign up to a selling ie ABCD Leeds is one i use. With your own profile place an add ...

Set up another page through your profile and when you post to the selling site as yourself copy in a link to your "other page". You will get messages to both pages but I found this works best for me. You will get likes to your selling page.