Walgreens: Sinex Moneymaker November 1, 2010 This post may contain a link to an affiliate. See my disclosure policy for more information. Good news…the NyQuil Sinex is once again included in this week’s Vicks Register Reward deal! This makes for some moneymaking Sinex! Vicks Sinex (20 count), on sale for $5 Buy 2 and use 2 $4/1 coupons from the 10/10 P&G Pay $2 Get back a $5 RR Final cost: FREE + a $3 moneymaker! Thanks, WildforWags!