Rapid Plumbing Rooter Service — predatory sales to the elderly

Simple snaking 1 pipe to sewer $275 quote. Soon a massive $22,000 all drains broken job. Before snaking clog, he produced their video probe and claimed everything downstairs be replaced. Now my mother who's 87yrs was so convinced with their claims that with my suggesting these guy's were ripping her off, she still sign for a loan through them. Finally, by the end of the day (one day of unnecessary work) a second opinion professionally was given. Absolutely a complete sham. Now we need to find out her rights and how to deal with the guys.