Hi, I did kaplan and I passed. At first I was skeptical because not only it was expensive, I felt like all of it was just expensive practice questions. However I stayed and did all of it, and it does work!!! It helped me tackle questions. You don't have to know what they're asking sometimes, as long as you use the strategies and it will lead you to the answer.
On the test day, schedule the time you are at your strongest. If you are a morning person, take the test in the morning. I took my test after lunch so I could eat lunch before going to the test center, so my brain was fueled up. Plus you can eat little sweets when you take a break.