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TRIZ 40 Principles
Creative tools > TRIZ Contradiction Analysis > Principles
27. Inexpensive short life
When something is relatively expensive or causes other problems, you might be able to replace it with something cheaper that works for the moment. This is a principle than has been used many times to create a disposable society. From Gillette’s razor blades onwards, many inventors have found that a lucrative income can be created with cheap devices that people buy regularly.