Moving is awful! A little awful right through to really really bad depending on how much stuff you own, and of course where are you going to put that spare bed/desk/table?
Ebay is a great solution to your woes. Sell furniture online! Browse topics to find where to sell that great table which will not, (without altering the laws of physics) fit into you new ultramodern (read smaller) apartment. No more sitting on the front lawn all day waiting for someone to come to your garage sale, or answering the phone all day from a newspaper advertisement.
The tips are simple, photos sell your item for you. Hang on I'll say it again PHOTOS SELL YOUR ITEM FOR YOU. Be available at least once a day to answer questions on your item, and remember the more information you give, the less questions you will need to reply to.