The SF-T4400 is not suitable for larger body types and really only a good idea for a lighter person who wants to use it for walking or light jogging. Still, though, if you’re absolutely strapped for cash and you must have something, this will at least give you a way to exercise indoors.
Before you buy a treadmill, size up the room where you plan to place it. Do you need a treadmill with a folding deck or will the room accommodate a stationery one? Also consider the intensity of your workout and whether you'll be walking or running. If you're looking for information about treadmills, Consumer Reports is your best resource. Consumer Reports’ treadmill reviews will give you honest buying advice that you can trust.