careful in using money, time, supplies etc

conservative with resources; careful

(an instance of) the avoidance of waste of money, supplies, strength or anything else of value

saving, frugality

careful, economical (especially of food, cost)

economical

economizing

economizing

of Scotland; (a portion of) Scotch whisky

economical

(of a person) spending, using or giving something unwillingly

penny-pinching, averse to spending money