Missionary Man: Tom Cruise and the Church of Scientology - 2005-06-28
Before they're allowed to continue on to OT, a rigorous screening process and background check are conducted, according to Melton and others. Reaching the highest OT levels usually takes from a decade to three decades, the current and former Scientologists say. Lower estimates for the total cost of this are around $30,000, but some people claim to have spent several hundred thousand dollars. The current Scientology member tells Salon he pays several thousand dollars a year for the services.