Order Envelopes in Bulk to Save More: 100 envelopes cost (70 cents) vs 250 envelopes costs Envelopes costs for developing and printing? How often do you use an envelope at home? Envelope is the simplest stationery item without a direct alternative. You never know when you will need it the most. What’s more irritating is … Read more If 100 envelopes cost 70 cents, how much would 250 cost?