I once saw an ad for low international travel fares.
I clicked. Brought me to orbitz. The homepage had some sort of "LAX to Rome for $400" or something like that.
A little bit of searching and I had a round trip airfare to Switzerland for $160. This was around 6 years ago.
Similar thing happened last february when I saw a "$50 off all international flights!" for Vayama...
Ended up with a $450 round trip airfare for Switzerland again.
Think that's just about it.. but every time I see the infomercial for The Magic Bullet, I want one so bad.