The price of roofing shingles and other building materials has climbed as demand for housing rises, according to this article. Manufacturers of building materials are struggling to catch up with the growth in housing demand, leading to an increase in prices. "Roof shingles were $25 a bundle, now they are $35 a bundle. A hot water tank I used to pay $125 for now costs between $375 and $400," said Chuck Pupich, owner of One Source Repair in Millvale, Pa.

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