1. Avoid extra packaging by buying non-perishable products in large sizes whenever possible. When you buy in bulk your money will be spent on product instead of packaging. A one-pound box uses less packaging, and therefore results in less waste, than two half-pound boxes.(WebCorp)
2. Save time and money by buying in bulk. You can buy in bulk through supermarkets, buying clubs, food cooperatives, farmer's markets, and warehouse.(WebCorp)
3. The office buys paper in bulk to keep down costs.(Cambridge Advanced Learner's Dictionary)