I teach in an electrical lab, and we are always pressed to re-use material and it isn't fun to work with switches that are missing screws and wires that are not new but bent all around, so the students sometimes complain about how messed it everything seems, but simply reminding them that "That is what it will be like when you are doing remodeling work, things wont be complete, they'll be bent, screws will be missing...learning to solve these problems here is just as valuable as learning how to wire the circuits properly" They get it pretty quick, but some still think the school is just being cheap.