SAT Advice (General) Post
General SAT Strategy and Additional (Non-Official) SAT Practice Tests - Ivy Global Ultimate SAT Guide
For additional help, consider a private tutor like me who can point you in the right direction.
Or, even easier (and possibly cheaper): just go to the College Board website, download those same 10 PDFs for free, and simply print them out at home. The drawbacks to this method are that the pages will be harder to organize, and that you will incur printing and paper costs.
Working with a private tutor is the very best way to maximize your score, for a variety of reasons:
1) You are given personalized attention, lessons tailored to fit your schedule, and the opportunity to discuss each question in-depth until you are fully satisfied.