The Consumer Reports treadmill buying guide recommends selecting machines based on motor power (at least 2.0 CHP for walkers, 3.0+ for runners) and belt length (55-60+ inches) to suit specific activity needs. Key considerations include prioritizing safety features like tethered keys, evaluating space for folding vs. non-folding models, and checking for comprehensive warranties. For more details, visit Consumer Reports . Best Treadmill Buying Guide - Consumer Reports