The tips begin at a different place in each module. The advice moves along with the stages of the course.
The science sections have a way of taking over MCAT review. Don't neglect psychology. Work on psychology every single week. Discipline and steady work throughout MCAT review go a long way for this section. In psychology, the conceptual vocabulary is large, so you need to start early and work steadily. You can get a really good score in this section. The psychology section is where competition is the softest, but you have to be disciplined and start early to make the most of the opportunity.