Every single video should have disclaimer:   "Warning, please be advised that we are highly trained, experienced and certified" please we do not recommend anyone try any of this yourself without becoming a padi certified diver or are accompanied by a padi certified instructor.  Our free lessons are designed to help you become acquainted with many basic principles. we want to help save you time so you feel more comfortable walking into a dive center and picking up a new hobby" Dive centers all over the world thank us all the time telling us how our videos have saved them time because people walk in their door and tell them they've watched all of our videos and have a basic idea of what's going on and they're ready to get started, instead of walking in and saying "where do we start".  Please use our "find a dive center" when you're ready. 

Every single "lesson post" featured image should say a disclaimer similar. 

This way there is a disclaimer in each video, on top of each lesson page, and on the bottom of every page!