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GMAT Focus 1: 645 Q82 V84 DI80
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A 645 is a solid starting point! You already have a real foundation, which changes the math on how you should approach this.

To your first question: at mid-600s, the answer is almost never "start from scratch." A full course makes sense, but not if you treat it like a first attempt. The value of a structured course at your level is that it forces you to go back through the fundamentals you think you know but are actually shaky on, and those hidden gaps are what separate a 645 from a 705+. If you just target your "weak areas" based on feel, you'll miss the topics where you're getting questions right by luck or partial understanding. That catches up with you at the 705+ level, where the test punishes surface-level knowledge.

That said, you don't need to spend equal time on every chapter. A good course will let you move quickly through areas where you're genuinely strong and spend real time where it counts. TTP is built for exactly this. You can accelerate through chapters where your accuracy is already high and dig deep where it's not. The course is structured sequentially, which matters more than people realize: later topics build on earlier ones, and skipping around creates compounding gaps.

For practice tests, use the official ones at mba.com. There are six available. Nothing else comes close to replicating the real scoring algorithm and question pool. Save them for later in your prep. Don't burn them early.

On the burnout question, the single biggest mistake full-time workers make is trying to do 3-hour study sessions after a full day of work. That's how you flame out in week three. Instead, aim for 1–1.5 hours per day, 5–6 days a week. Consistency beats intensity. If you can do 90 focused minutes daily, you'll cover more ground in 3 months than someone doing sporadic 6-hour weekend marathons.

One more thing, don't skip the diagnostic step. Before you dive back in, take one of those mba.com practice exams cold. No review, no warmup. That score tells you where you actually are right now, not where you were last June. Use that as your baseline to build from.

You've got a real shot at 705+ with the right structure. The fact that you scored 645 without finishing your prep the first time is a good sign.

eashaansingh
Hi all,

Scored 645 last June, then got too stuck up at work to keep up. I have not been able to keep up since then,

I am very confused how to start, unable to trust a plan enough for my second attempt to be my last.

Would love to hear from anyone who's been in a similar spot:
— What materials/courses actually helped you go from the mid-600s to 700+?
— Is it worth doing a full course like Manhattan Prep or TTP, or should I just target my weak areas?
— Best practice tests to use?

I work full-time so time is limited. Any advice on how to structure this without burning out would be hugely appreciated.

Thanks in advance!
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