The FLEX impact driver, with a more compact size, higher speed, and greater torque, outperformed the DeWalt model in all aspects except weight and price
A layer of Styrofoam outside your walls will improve the performance of the walls, slashing air leaks and moisture problems and boosting the cavity insulation's performance
Just because you draw it doesn't mean they'll build it that way. Know what makes sense, what the framer can execute, and forget about designing in two-foot modules