Got teens in the house? Then your household probably has 11 more gadgets on average than one without teenagers, 35 with versus 24 without. Top purchases for the youth-filled home are MP3 players, wireless handsets and video game consoles. The average amount of money also goes up for these households too, from $1,000 last year for non-teen households to nearly $1,500. But who’s really surprised at these numbers?