When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Do you know how to? If you don't, go to User CP, which is listed on the top left of your screen. Look on the left hand side for "Contacts & Friends", then click on it. Then there should be a small fill in text box with a button on the right of it that says "Add Contact", and another one that says "Add Friend". I'm sure you can connect the dots after that.