In roofing, 30 square feet is a bundle of roofing shingles, and costs $27.95 at Home Depot. A roofing square is universal unit of roof measurement in all English speaking countries â US, England, Australia, New Zealand, South Africa, etc.
Quick Answer. The cost of a postage stamp today is 49 cents. This is a 3 cent rate increase from 2013. The rate was increased as of Jan. 26, 2014. The postage rate is determined based on mail class and package dimensions like weight and shape.
As of May 2014, the price of a Forever stamp costs 49 cents. This  price comes after several price increases of stamps. It was last  known to cost 46 cents. 3 people found this useful.