There are a myriad of ways that these people can help you when in the process of considering a purchase. Agents have the uncanny ability to know the best properties for your specific needs due to their in-depth knowledge of the market and the available properties in their area. They get up-to-date information on which properties are, or will be for sale due to their network of established agents all over the US. They can also give you the best amount of advice when it comes to timing. Timing in the sense that due to instability and unpredictable conditions in the marketplace, they know when the best time to sell or buy properties due to the trends they see and predict based on experience form years of dealing in real estates.