Walgreens: 3-in-One Oil MoneymakerJune 2, 2011 by Mitchell Wischmann This post may contain a link to an affiliate. See my disclosure policy for more information. Here’s a deal to get you some FREE oil! 3-in-One Oil just released a new try me FREE rebate, up to $4.99 in value. Purchases must be made by 9/30/11, and the rebate has to be postmarked by 10/8/11.Walgreens sells the 3 oz size for around $3.49. Use a coupon to pay less out of pocket, then get back your rebate!3-in-One Multi-Purpose Oil, $3.49 Use the $1.25/1 coupon from Coupons.com Pay $2.24 Submit for the try me FREE rebate (will get back $3.49 if you get a rebate receipt) Final cost: FREE + a $1.25 moneymaker!Thanks, Wild for Wags!