Treadmill machines are a great way to workout. They are high impact cardio vascular machines and help to burn calories fast. However before one buys a treadmill machine, it's important to know about the various models and types, which are readily available in the market. This helps people to choose what is best for them. The cost of the treadmill machines can be as low as $200 and can go as high as $3000. Therefore it's essential that one has a budget and buys according to their requirements. This also gives the power of negotiation in the hands of the customers. The higher end of the treadmills has various functions, various resistance levels, control panel and adjustable speeds. Since there are so many treadmills, which are available in the market, a customer can get confused. Therefore to make the confusion go away, customers should read the, the reviews make it easier for customers to make a decision about treadmill exercise machines, thus, these reviews are advantageous for everyone. The factors on which the reviews of the exercise treadmills rests are the price, the various resistance levels offered, the control panel, whether the running belt can be folded away or not and the number of years for which the warranty is offered. Warranty should be considered when the treadmills are been purchased especially if they are powered. Since they are going to be used regularly, there are chances that at times, some component may go bad. Therefore there should be a warranty of at least three years for the mechanical parts. Decent reviews describe which treadmill exercise machines are good and those that don't reach up to the mark. You can look at these reviews on the websites as well as in exercise magazines. Online is a cheaper method and you have access to the equivalent of hundreds of magazines, however the quality will not be as good.