A growing supply of housing, volatility in the marketplace and risks in the development process all affected the multifamily market in 2018. In 2019, these three factors will continue to move the needle. The Housing Supply Markets like Boston, Seattle and Nashville are growing supply faster than demand. From 2015 to 2017, developers were building like crazy and landlords were enjoying rent increases of 5-7% year over year. They built too much, and the peak has showed itself. Only top markets like Atlanta and Charlotte can justify their cost of living increases. The rest will likely see slower growth and…