If you’re getting ready to purchase a treadmill, Thor Bodybuilding has a guide to purchasing treadmills:

A treadmill is a very good investment. People cannot always
exercise outdoors daily due to varying weather conditions.
Treadmills are a great option to work out when the weather is
bad outside. Some people do not like to workout outdoors and
hence opt for a treadmill. There are lots of treadmills
available in the market and it is very difficult to choose the
best one. You need to keep the following points in mind while
buying a treadmill: