Create SAT Math Question Bank

I need an original bank of SAT-style math questions for an upcoming prep course. The set must span Algebra, Geometry, and Trigonometry, with an even mix of Easy, Medium, and Hard items so students can progress smoothly from fundamentals to the toughest curve-breakers... (Budget: $30 - $250 USD, Jobs: Content Development, Education & Tutoring, Excel, Geometry, Google Sheets, Mathematics, Matlab and Mathematica, Statistics)