Who said that the cost of doing business isn't going down? On April 10, 2016,  the US Postal service reduced the cost of postage. The new lower rates will impact the price of stamps, postcards, and first-class mail. U.S. Postal Service Announced Postage Rate Reduction On April 10, 2016, the U.S. Postal Service will reduce postage rates for regular mail — for the first time in 97 years. Small businesses have become conditioned to hearing about postage rates going up. But, in a move called ...