Question: what is the most accurate scale you can buy?
Answer: Etekcity Digital Body Weight Bathroom Scale. This simple but reliable scale has a lower price point than some others. ... 
RENPHO Bluetooth Body Fat Scale. ... 
FITINDEX Bluetooth Body Fat Scale. ... 
My Weigh SCMXL700T 700 lb 320kg Talking Bathroom Scale. ... 
EatSmart Precision MaxView Digital Bathroom Scale.