Pick a compact home treadmill for small areas
https://treadmillssfyq074.keystonescope.com/posts/walking-treadmill-10-things-i-d-like-to-have-learned-in-the-past
Choose a compact home treadmill for little areas, with easy-fold styles and smooth cushioning to decrease joint effect while you stroll, jog, or do intervals at your own speed.