You need thick skin and a tough mind to make it as a real estate agent. The first few years can be a mighty test of your will. You have to constantly hustle to build a network and a reputation that is large enough to provide you a steady stream of clients. Dry spells are unavoidable, particularly as sales slow down in the winter months. During that time, however, you want to keep the momentum going by continuing to invest in your business. Here are a number of ways that …