Ditto, I've always been one of the cheap paper offenders, even at uni.
Tutor: "Oh yes you simply must have lovely lovely expensive lovely paper to... scribble on. Student budget? What? I have a Doctorate and I care little for your pithy little financial limitations. Muahahaa!"
To be honest most of the things I finish off get scanned anyway so the original scribble surface becomes irrelevant. Or an elephant. One of the two.