Essential stationery supplies for the rehearsal and show process (blu-tac for sticking up actor research on the rehearsal room walls, post-its for the book, highlighters for the book, paper and card for paper props) will be paid for out of the company/show budget, and not the SM team's pocket.
Ditto painkillers for actors ('have you got anything in your kit ?'), first aid supplies, tampax, hairbands ...