What this video covers
The clip gives the questions to put to every contractor you get a quote from.
Ask which protocol they follow, where the expected answer is IICRC S520. Ask whether post-remediation testing is included. Both questions separate contractors with a defined process from those without one.
The takeaway
Compare method, not just price. Three quotes are only comparable if you know each one covers the same protocol and the same verification at the end.
Read the full written guide: The Mold Remediation Process.