Yard-hopping for profit? Many traditional antiques are selling for half what they used to because downsizing baby boomers are flooding the market and younger buyers have a different aesthetic, says Patrick van der Vorst, a Sotheby's veteran and co-founder of ValueMyStuff.com.
Today's hot items are appliances, functional objects, and novelties -- such as movie posters or advertisements -- from the 1950s, `60s, and `70s.
Use your smartphone to check how much similar items have recently sold for on eBay before you negotiate.
There is only one place in the world where you can find an Apollo space capsule, dinosaur skeleton, Liberace's staircase, the Batmobile and a Venetian gondola.
