Deck Builder business. Use carpentry skills to build the foundation for customers' leisure. Business Overview One of the fastest-growing segments of the home improvement industry is designing and building custom sundecks that can easily reach $25,000 and beyond, and include features such as built-in planters, hot tub gazebos, glass or cast-iron handrails, atmosphere lighting, and custom-manufactured wood patio furniture to match the deck's design. There are a number of ways...