Treadmill Buying Advice I Want To Buy A Treadmill. What Do I Look For When Buying One And Which Brands Should I Stay Away From?

I want to buy a treadmill. What do I look for when buying one and which brands should I stay away from? - treadmill buying advice

I am looking for a band that in my price of not more than $ 400. What should I when buying a treadmill and where I can have a look? Sears, Wal-Mart, Target ... I know that Sears is a big tent. Any tips?