Until 5 pm ET or 100% claimed, Amazon offers its Amazon Prime members the 3M Lens Renewal Kit
, model no. 39014, for $12
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $5.58.) Even with shipping, that's the lowest total price we could find by $21. It purports to restore the clarity of yellowed, hazed, or dull headlight lenses.
Amazon Prime membership is $79 per year; however, Prime is free for college students for one year, and free for parents and caregivers for three months.