Free personal financial simulator and teaching aids

Hello all, I wanted a clean way to show high school and college students how real life impacts cash flow. I built a free, web-based simulator that lets users step month-to-month through salary, taxes, housing/mortgages (with full amortization tables), marriage, kids, and retirement savings. It has hover definitions for tricky terms like LTV, HSA, and insurance. Zero ads. Zero data collection. No signup required. Just an open educational tool. I would love your feedback on the math, usability, or