The Five-Day 140-Hour Delaware Pre-Licensing Course for becoming a licensed home inspector in Delaware includes 100 hours of online courses (see below) and 40 hours of live classroom training. For complete details of the 140-hour pre-licensing course, visit this page on how to become a licensed home inspector in Delaware.A free one-year membership in InterNACHI® is included with your paid registration for the Pre-Licensing Course, which allows you free 24-hour access to the online courses below. You can start, stop, and resume each course anytime, so you can learn at your own pace.