So I finally passed my AAP (Accredited ACH Professional) exam last month after two failed attempts and I figured I'd share what actually made the difference. First time I went in pretty cocky — I've been in payments operations for six years and thought my on-the-job experience would carry me. Scored a 68 and needed a 75. Embarrassing.
Second attempt I bought a study guide and read through it once. Same result, 71. I was ready to give up honestly. What changed for the third attempt was being really systematic about it. I blocked off 90 minutes every weekday for eight weeks and rotated between the NACHA operating rules manual, a proper AAP practice test bank (did like 400+ questions total), and flashcards for the rule categories I kept missing — returns, exceptions, fraud scenarios.
The practice tests were the game-changer for me. They showed me I was weak on Unauthorized Returns and the timing rules around RDFIs. Once I drilled those specifically I felt way more confident walking in. Anyone else have sections that just refused to stick? Happy to share more exam tips if it helps.