AP Calculus BC Exam Coaching

I need focused guidance as I prepare for the AP Calculus BC this semester. I am enrolled in the standard high-school BC course and want to sharpen my skills across the entire syllabus—everything from sequences and series to differential equations, parametric and polar functions, and beyond... (Budget: $15 - $25 USD, Jobs: Calculus Tutoring, Education & Tutoring, Engineering, Mathematics, Matlab and Mathematica, Physics)