Value for Money ( short for V4M ) is basically how much values you get from the money you paid. It is often irrelevant how much is the price of an item or service. Whether or not a person pay for something is simply because of how he perceives the values he is getting. If a person perceive values more than its price, he would paid for it ! If a person perceive values less than the price, he would NOT paid for it. There are 3 types of V4M perceptions. This article will cover 2. Linear model of V4M is basically thinking all features are alike. Hence for every feature the person is looking for, he would be willing to pay some price for it. But if a particular feature is substantially higher price, he would think its NOT worth it. For example, a person is looking for a phone that has Wifi feature and cool-look feature. A typical wifi phone may cost him $500, a cool looking wifi phone may cost $2,000. A linear V4M guy will go for the typical Wifi phone. Exponential type of V4M model ...