Mold has been around for millennia, but in recent years public concern about its presence in homes and buildings has metastasized into near hysteria. This has spawned a legal atmosphere in which it's relatively easy for unscrupulous owners to fabricate huge mold lawsuits against contractors.
Most residential construction disputes happen because the contractor and the homeowner have different expectations about how a job will be handled.
Many of the costly owner/contractor disputes I see in my legal practice involve change orders — or the lack thereof. I know of innumerable residential contractors who, having failed to obtain signed change orders, have eaten hundreds or even thousands of dollars of legitimate extra work at the end of a job just so they could get the homeowner to release that final check.
Making sure you get paid for change orders