The marketing mix is a business tool used within marketing and by entrepreneurs. The marketing mix is often crucial when determining a product or service or brand’s offer, and is often associated with the 4P’s, they are Product, Promotion, Price and Place. Every product is subject to a life-cycle including an improvement phase followed by a maturity phase lastly an eventual period regarding decline as sales slide. Marketers must do careful research on how long the life cycle of the product they are marketing might be and focus their awareness on different challenges that arise since the product moves.