REG – FAR is the most mentally draining and disheartening exam. But don't sleep on REG. I thought I could manage REG like I managed BEC and AUD, and now I am about to take it for the 4th time tomorrow. Its difficulty creeps up on you like you never thought – e.g., basis vs FMV, C Corps vs S Corps vs Individual vs Partnerships, Property Transactions, etc. I would study for REG for the same amount of time as FAR. I actually have enjoyed studying REG the most though, which is quite ironic.
FAR – FAR, as everyone says, is mile wide but an inch deep. Get a solid understanding of the high level topics and don't ignore Govt/NFP. I am still glad I don't have to study for this section ever again.
AUD – I think its the language that gets you. Two answers always seem right. One word changes everything. RTMFQ. Read the question very carefully. SIMs require you to search the AL. Sometimes the exact answer is directly in the AL, not just for the research question.
BEC – I passed this exam on the first try. Ninja MCQ was perfect for this exam. I basically only used Ninja MCQ and WTB, but WTB doesn't have enough MCQs in the bank.
Good luck.
FAR - 76
AUD - 75
BEC - 75
REG - 76
Now I need some experience!!! And some networking...