A trade exchange eliminates the limitations of one-on-one trading where each business must want what the other has to offer. Clients of an exchange use trade dollars, instead of cash, to handle their transactions. If a Printer trades $1,000 worth of printing to other members, the printer then receives $1000 in trade dollars, which can be used to purchase what he needs from other exchange members.
Barter enables you to obtain products and services without making a cash outlay. If for example, you trade $1,000 worth of printing that costs $500 to produce for a vacation, then the real cost of that vacation is only $500.