You think you have a great idea for a new product or service Is there a need for it Are there similar products or services already available Will yours be better, faster, cheaper, or longer-lasting How risky is proposed change in the way you market a product or service How much will people pay for it Competitor analysis, product development and differentiation, positioning, advertising, pricing, sales and distribution systems along with differentiation, positioning, advertising, pricing, sales and distribution systems - these are the areas of expertise of the marketing specialist.