It's a marketing gimmick. They do sneaky, back-handed tricks like sending you a DVD you never ordered, and then they bill you for it.
Here's another perspective on the company:
http://thebitchystitcher.blogspot.co...-for-this.html
I'm with the others - there is so much free content out there, ripe for the picking. Don't buy something just because it's cheap. Most
reputable outfits will let you try once for free, so you can judge the content for yourself and see if it's something you're interested in.