"Tricks of the Trade" We've Used to Get a Lot of Free Ads Published 1991 by Mascor Publishing, Silver Spring, Maryland 1 .... Advertising Specials: If a magazine offers a "two for one" deal, or a "pay for 3 and get a fourth ad free", take advantage of it; it's Free Advertising! 2 .... Free Listings: Some publications offer to list your name and address Free, if you have something that you offer "free for the ....