Winning Slot Secrets on VHS. Starring David Wilhite. 1988.
From the VHS box:
Now You Have A Fighting Chance
Discover the strategies, tips, and tricks that can earn you a bundle! Let world renowned gaming expert David Wilhite show you how to fight back against those one arm-bandits. Learn what machines to play and what machines to avoid. Learn correct money management. With little money hit big jackpots.
DVD upgrade: Winning Slot Secrets – David Wilhite
Bonus back cover scan: