There are many others factors, including the limited supply of property in the market which increases competition and therefore price.
A real estate agent’s role is to generate interest in the property from as wide an audience as possible. Ultimately however, it is the purchasers who decide the price of the property. The best and most obvious example is an auction.
So, the biggest problem purchasers face in their bid to buy a home is the desire, perceptions and buying power of their fellow purchasers.