First things first, signup for an account
Once you login you will find yourself on the browse listings page
Click an offer to see more details
Here you can find two tools. Contact the Seller via Email and Get a Shipping Quote
The contact button will open local mail client and pre-fill necessary information
The shipping quote button will open the live-data set which pulls shipping prices from different companies
To create a listing click the account dropdown in the header and select "Create Listing". Fill out the form with the required info and submit
The settings button will bring a user to their dashboard where they can edit their account info
My listings will open all listings made with your account. Here you can edit or remove them