Preordered an exam prep for $89, was told it would contain 150 questions and be released two weeks after I purchase. A month later, prep had 46 questions, and were identical to another prep I had purchased from a different company AND the price had dropped to $38! Contacted "support" and was told. The price was $89 and now it's $38. No refund of the difference. Bottom line, DON'T BUY FROM THESE SCAMMERS! If you do, pay by credit card and good luck!