your return on your investment Sometimes it's the little things that make all the difference, such as clever use of space, cavity sliders, or coloured concrete. There are many possibilities and they don't always mean added cost. Our Certified Builders can guide you through where to invest to maximize the value of your property. 5. Work direct with the builder No salesmen, no middlemen. A direct relationship with your builder gives you the best advice when you need it most.