immediate use or for use very soon. Generally, the lifespan of nondurable goods is from a few minutes to up to three years: food, beverages, clothing, shoes and gasoline are examples. In everyday language, nondurable goods get consumed or "used up". Consumer services are intangible in nature. They cannot be seen, felt or tasted by the consumer but still give satisfaction to the consumer. They are also inseparable and variable in nature: they are thus produced and consumed simultaneously. Examples are haircuts, medical treatments, auto repairs and landscaping. Buying habits Final goods can be classified into the following categories, which are determined by consumers' buying habits: Convenience goods Shopping goods Specialty goods Unsought goods Convenience goods, shopping goods, and specialty goods are also known as "red goods", "yellow goods", and "orange goods", respectively, under the yellow, red and orange goods classification system. Convenience goods Convenience goods are regularly consumed and easily available. Generally, convenience goods come in the category of nondurable goods such as fast foods, cigarettes and tobacco with low value. Convenience goods are sold mostly by wholesalers or retailers to make them available to the consumers in goods or large volume. Convenience goods can further be divided into staple convenience consumer goods and impulse convenience consumer goods. Staple convenience consumer goods are the basic necessities of the consumer. These goods are easily available and in large quantity: milk, bread, sugar, etc. Impulse convenience consumer goods do not belong to the priority list of the consumer. They are purchased without any prior planning, just on the basis of the impulse: potato wafers, candies, ice creams, cold drinks, etc. Shopping consumer goods Shopping consumer goods are the goods which take lot of time and proper planning before making purchase decision; in this case consumer does a lot of selection and comparison based on various parameters such as cost, brand, style, comfort etc., before buying an item. Shopping goods are costlier than convenience goods and are durable in nature. Consumer goods companies usually try to set up their shops and show rooms in active shopping areas to attract customer attention and their main focus is to do much advertising and promotion to attract more customers. Examples include clothing items, televisions, radios, footwear, home furnishings, etc. Specialty consumer goods Specialty goods are unique in nature; these are unusual and luxurious items available in the market. Specialty goods are mostly purchased by the