Amazon offers its Amazon Prime members the CH Hanson Stud 4 Sure Magnetic Stud Finder
, model no. 03040, for $8.70
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $5.14.) That's the lowest total price we could find by $2.
Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months. (Note that currently there's a waitlist for Amazon Mom.)