For most people, a laptop is the default option when shopping for a new computer. It can work at home, it can work on the go, and it has everything built right into it: a screen, a keyboard, a trackpad, speakers, a webcam, and the computer itself. But as convenient as that might be, a laptop might not be the best choice depending on how you’re going to use it. You may not need the whole kit and kaboodle. Plus, there’s a good bit of engineering that goes into laptop designs — and that adds to the cost. If your laptop is going to be used at home all the time, tethered to your desk with an extern…