If you're expecting a big, fat tax refund, a great way to spend it is to snap up some new appliances. For starters, updating old appliances can lift the value of your home and cut energy bills. Second, new import tariffs on washers as well as steel and aluminum are expected to start pushing prices higher by the end of the year. LG has already announced it plans to raise prices. Price hikes on American-made machines from Whirlpool, GE, and Maytag could follow. Still not convin