About the school

Taught by someone who's actually done the hiring.

Most tax courses are written by people who have never run a tax office or hired a preparer in January. This one is different. It's the training our founder wishes every new hire had walked in with.

Mario Costanz, founder of Free Tax School
Mario Costanz
Founder & Instructor
The short version

Mario Costanz has spent his career building and running tax businesses, not writing about them from the outside. He founded Happy Tax, a national tax-preparation franchise, and grew it from a single office into a brand with locations across the country.

Along the way he hired and trained seasonal preparers and saw exactly where new people struggle and where they thrive. That hiring seat is the point of this school. He knows what an office actually needs a first-year preparer to be able to do in January.

He also wrote Crypto Taxes Made Happy, a working guide for preparers handling digital-asset clients, at a time when almost no one in the industry was ready for that work.

Free Tax School is the course he wishes every new hire had already taken before their first day. Straight talk, the real steps, and none of the promises nobody can honestly make.

Crypto Taxes Made Happy by Mario Costanz
Author
Crypto Taxes Made Happy

A working guide for preparers handling digital-asset clients. Written for real returns, not theory.

The credentials, plainly
Founded Happy Tax

Built a national tax-preparation franchise from one office.

Built from the hiring side

Hired and trained tax preparers and built the curriculum around the work offices actually need.

Author, Crypto Taxes Made Happy

A working guide for preparers handling digital-asset returns.

Numbers we cannot stand behind do not appear here. The school uses real founder credentials and adds student outcomes only after written permission and verification.

Let's be straight with you

This is not IRS-approved continuing education, not an accredited program, and not a government credential. It's training that gets you ready to work and to pass what the IRS requires. We don't guarantee you a job or any income. Nobody honestly can. What we guarantee is the training itself, and a 7-day refund if it's not for you.

See if this is for you. Free, in five days.

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