[bruce511]

I did this, so I completely agree with this advice.

But of course then you really need to do the business first, and right, and the coding comes second.

If you plan to go down this route I recommend exposure to accounting either at school or college (or via external self study.) I did it at school, and while I'm not involved much in accounts these days, being able to read them, and understand them, is really useful and important.