I am not a carpenter or expert boat builder! I am building a boat and had a lot of screws to drive and some of them required reaching to the center of the boat and my drill was a pain! So I bought this Makita corded impact driver and am very happy with it. It is expensive at about $200.00 It seems well made and was easy for me to control. If it lasts a while it will be one of my better tool buys!
The picture below is a 3" # 10 auger point screw driven through two 2X4 scraps.