I mean… in some sense, it might be nice is the company doing your tax preparation is not too lean and mean, their whole point is to eat the hit if they screw it up, right? The math is not actually hard.
But, realistically, I guess if a self-service tax prep company messed up your taxes, they’d make sure you end up in arbitration.
The form you sign to authorize efiling says "I declare that I have examined a copy of the income tax return ... and to the best of my knowledge and belief, it is true, correct, and complete." If you think Intuit is going to cover you, you haven't really seen the things they do.
But, realistically, I guess if a self-service tax prep company messed up your taxes, they’d make sure you end up in arbitration.