Laura,
I'm 16 and I can't afford it either, so some kind person who's name escapes me sent me these links: http://www.debateit.net/stereoreading/photoreading.htm and http://www.selfgrowth.com/articles/scheele.html. I've only been doing the PhotoReading stuff for about 2 weeks, and I'm so happy with it that I'll buy the tapes once I have a halfway decent job and some cash.
And Margaret is right about taking your time and learning each step. It's safer to do it slowly and confidently than to just jump right in.