The four Ps of Marketing: price, product, promotion, and place
The four Ps of marketing are the traditional concept for the marketing mix and are still useful.
Price: The price determine how the customer will the product. Should it be a luxury good a cheap mass market product?
Product: Where does the product stand in its life cycle? Does it depend on other products? Does other products depend on it?
Promotion: On which channels can the product promoted to the customer? How can it be promoted?
Place (Distribution): Where is it convenient for the customer to buy this product? Who is close to the customer?