https://www.angieslist.com/articles/10-warning-signs-when-hiring-contractor.htm

Apr 26, 2012 – For many homeowners, deciding which contractor to hire can be the most difficult decision to make during a remodel or home improvement project. While the basics are clear, checking references, verifying credentials and getting multiple bids, discerning the warning signs of a potentially bad hire can be …

https://www.angieslist.com/articles/10-warning-signs-when-hiring-contractor.htm