The Nike representatives are real Nike ad representatives, not actresses.
When Mel Gibson waxes his legs in his bathroom, he actually did wax his legs, and it did not hurt him nearly as much as it hurt him in the movie. He kept taunting all the women on-set, saying, "Come on, this doesn't hurt at all!"
First movie to mention the online auction website eBay (founded in 1995). In the respective scene, Bette Midler thought of her "lamp on eBay," repeated instantly by Mel Gibson.
The film was originally titled "Head Games" and was pitched to Touchstone Pictures in 1996 as a star vehicle for Tim Allen.
An early transition scene is an aerial shot of the camera panning over water and up into the Chicago skyline as the sun rises. This is the same footage used in the opening credits for the sitcom Family Matters (1989).