How Should You Prepare A New YouTube Channel For “Launch Jacking” A Product In 3 Weeks?

In episode 204 of Semantic Mastery's weekly Hump Day Hangouts, one participant asked how one should prepare a new YouTube channel for “”launch jacking”” a product that's to be released in about 3 weeks.
The exact question was:
How would you start getting a new YouTube channel ready for launch jacking a product that's releasing in about 3 weeks?
