How to prep for both SAT and ACT using PrepScholar?

What recommendations would you suggest?

Rising junior thinking of PrepScholar for SAT prep this summer with an eye to PSAT in the fall and then ACT and SAT in winter/spring. How would one best use PrepScholar to prepare? What test scheduling would you suggest? What would you tack on to the SAT PrepScholar course to prep for the ACT? When would you add the ACT prep? Would you repeat/refresh/review the SAT and/or ACT prep closer to the test date? How much time should one allow for this PrepScholar review? What does PrepScholar offer for limited repeat/refresh/review?

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