A PhD worth getting should not involve you paying tuition. Much of the time your tuition is waived and you earn a small stipend (just enough to live frugally o

A PhD worth getting should not involve you paying tuition. Much of the time your tuition is waived and you earn a small stipend (just enough to live frugally off of) teaching/working in a lab. From a university's perspective, grad students are cheap labor that can eat a lot of sections of low level undergrad classes.