America has enjoyed a long tradition of textile manufacturing, from Betsy Ross cross-stitching the Constitution to Neil Armstrong knitting the Eagle lunar lander. Spin historical tales with today's Groupon: for $25, you get $50 worth of fabric at B. Wilk Fabrics. This deal is valid at the 618 South 4th Street location, which stocks lighter fabrics, and the 714 South 4th Street location, which stocks upholstery fabrics.

Since 1954, B. Wilk Fabrics has supplied patrons with choice textiles from its cloth emporiums in the heart of Philadelphia's historic Fabric Row. Customers hoping to craft window treatments or reupholster jet skis can browse a caravan's worth of indoor and outdoor materials from such designers as Ralph Lauren and Lady Ann. Textile curators can unearth coordinating bolts from their expansive stock to match to specific swatches, paint chips, or Rembrandt masterpieces that patrons bring with them to the store. Discount designer home fabrics ($12+/yd.) embrace furniture with the gentle touch of cotton or silk, and rolls of solid canvas ($12+/yd.) visually distinguish underdog potato-sack racers from their competitors at the summer camp across the lake.