Responds March 4, 2020 6:56 pm Contractor Dispute Tips Contractor disputes commonly cross the desk of NBC Bay Area’s Responds team. Consumer investigator Chris Chmura has a vital piece of information that might help prevent a problem. US & World Videos 1:16 East Bay woman's air conditioning aggravation 1:25 South Bay woman's cash back confusion 1:42 Cool your home without heating the planet 2:14 How to waste less food, help decrease greenhouse gasses 0:57 NBC Bay Area Responds to cancelled flight, blank gift cards