I think course management comes down to knowing yourself and playing smart. Know your miss and play it to your strength. I also think golfers don't take enough time to read the scorecard and understand the hole. Play your tee shot to the widest part of the fairway/green. Sometimes hitting driver is not the best idea. It's not necessarily course management but practice areas that you need improving most. If you three putt multiple times around, don't blame the driver for a bad score. Maybe the next range session the putter needs the work. If you aren't improving, change your routine. Think about the course different and restructure practice.