https://www.theincometaxschool.com/

I sent someone to this years ago... and at that time it seemed to work.

I also sent employees to HRB decades ago, and agree it was great basic training.  THEN they started the non-compete routine.   I find it difficult to believe they really could or would try to enforce it but I'm not an attorney (and I didn't stay at a Holiday Inn Express last night 😉).  

(edited to close that pesky ")"