These are the houses being sold by the owner without the help of a real estate agent. One of the advantages of "For Sale By Owner" is that the owners can save more money, since they are the ones doing the marketing and dealing with the buyers. This also means that they don't need to pay a real estate commission to an agent. However, we also have to consider the benefits of hiring a real estate agent, which turns out to be the disadvantages of "For Sale By Owners". Hiring a real estate agent will save a lot of time and effort. Since real estate agents are knowledgeable and experienced in selling houses, they can provide an accurate value of a house, easily put house listings in the market and they'll be the ones closing the deals, too. Hence, these will be done all by the owner in "For Sale By Owner".