I almost always match my answers to the part of the passage that I feel provides the answer, unless I'm 95%+ sure I know the answer cold. My tutor has advised me to do that, too.
If you want to spend your money on something in-person, spend it on a good tutor. The class is good if you need something introductory, but fairly limited beyond that.
A recommend a tutor in the Boston area highly, who does online skype tutoring and classes for those out of town. Message me if you want his information!
lol oh man. you are like personifying the plateau struggle. i don't think i have much to offer except that you may consider a Sage tutor to partner with.
This is a great question. Been stuck in the 169-173 range for months. I'm sure a tutor could help, but I've heard of a lot of people who score that high and just self-study.