This document summarizes a webinar presented by Badmus Law Firm on avoiding costly mistakes with H-1B visas and Labor Condition Applications (LCAs). The webinar covered the top 9 mistakes employers make, including providing inaccurate information, missing filing deadlines, paying incorrect wages, making prohibited pay deductions, and failing to maintain proper documentation. It also reviewed how to conduct internal audits and prepare for investigations by the Department of Labor or Department of Homeland Security. Maintaining proper public and internal files was emphasized as important to demonstrate compliance.