There is some truth to this. For my Master's degree, I got a fellowship where I did some work that the university had a grant for (maybe 10-20 hrs/wk) and they

There is some truth to this. For my Master's degree, I got a fellowship where I did some work that the university had a grant for (maybe 10-20 hrs/wk) and they fully covered my tuition and housing, with a bit left for food (but I would have had to eat very cheaply to make it cover all of my food).