I did a little calculation regarding what kind of sales figures I would need to make it to the 100k income range (which is my current standard for “success” in a technical field). If I can make deals with 100 Universities, and ship ship 100 copies of the book to each of them, then I am done:
I think it is totally doable with the MATH and PHYSICS title alone within the next couple of years. So fuck the job world. I am doing my own thing!