Tee is good, but the machine not only works for the swing but the timing as well. It is very important especially when you have a pitcher throwing harder than normal. So depending on what you are gearing up for, tunning up a swing (tee) or gearing up for a big game (machine) but if you have time try to do both, tee first of course. But if I only had one choice yup the tee..............then the machine
