A bad roofing company often pressures you for a quick decision, demands full payment upfront, or only accepts cash. Their estimate might be vague, skipping details like materials, timeline, and cleanup. They likely lack a physical address, proper licensing, or insurance, and may show up in unmarked vehicles. Check online reviews for patterns of unfinished work, leaks after repairs, or sudden price hikes. If they avoid providing a written contract or refuse to pull permits, that's a major red fl… how to spot a bad roofing company 13