CREST CPSA Certification Preparation Challenges Without Official Course

The poster has been tasked by their company to obtain the CREST CPSA certification but finds the official course prohibitively expensive. They report struggling with self-study due to scarce and unreliable materials, noting that available exam banks and online questions often fall outside the syllabus. The poster expresses distrust in these resources but has no other options at this time. They are seeking insights from others facing similar challenges.