You only get one bite at the apple!
The prophet business is pretty scary to anyone who has read Deut. 13. I ran across a good article on one of the expose Doyle Davidson sites,
http://thouartthechrist.blogspot.com/2009/04/once-false-prophet-you-cannot-be.html
This is discernment 101, and applies to not only those who market their annointedness, but also to those of you who say things like, “God told me” to move, quit my job, buy this house, go to this church, start a weblog(ouch!)……etc.. Anytime someone tells you “God told me” and does not reference scripture, your discernment antenna should go up!