Addison-based Tomlin Investments, a real estate investment and development firm, plans to get underway on the initial phase of a $2 billion, 4,500-home master-planned community by the end of the summer, which will bring more housing to North Texas. The firm recently landed an undisclosed amount of financing for the development of Green Meadows, a 15-phase, 1,408-acre master-planned community in Celina, which sits 42 miles north of Dallas on the northern frontier of the region. "We believe we have...