Unlike Amazon Prime, Amazon Business will be free to verified business customers, offering features such as bulk pricing, free two-day shipping on orders worth more than $49, and access to products not available to typical retail consumers.
Roof shingles are sold by both the bundle and by the square. A square of shingles is the quantity needed to cover 100 sq. ft. of roof. Shingles are packaged in paper- or plastic-wrapped bundles designed to be light enough for a person to carry, so heavier shingles require more bundles per square.
How much an asphalt shingle roof should cost. Average costs and comments from CostHelper's team of professional journalists and community of users. Do-it-yourself materials run around $680-$3,700 for a typical one-story ranch-style home with a 1,700-2,100-square-foot, gently-sloping roof.