The types of real estate companies can be confusing if you explain them in detail, so I will explain only the differences between large real estate companies and small local real estate companies to you when you start living alone. Find out the difference between the two and find a room where you can live alone. Now let's look at the differences. First of all, from a small local real estate company, most of the small children are selling and renting. This is because renting alone is not profitable and cannot be done.