If you see an item that you like, and want to save it to quickly get back to later - simply click on the heart icon on the top right corner of the item's image.  This can be done from the item page or the sale page.  The heart will now be red as a confirmation.  Any items that you have  already bid on will automatically be in your "Following" list.

To view all of the items that you have been following or bidding on so far, simply visit your "Following" list.  You can place bids from this page, as well as unfollow any items that you may no longer be interested in watching.  You can unfollow items by clicking the "UNFOLLOW" link on the right hand side under "Place Bid".

If you want to see what an item sold for after the close of the auction, click on "Ended Sales" on the left hand side of the page, underneath "Active Sales".