Combine Store & Manufacturer Coupons!

Do you know you are allowed to use one store coupon and a manufacturer coupon to save on products at a particular store.  Two coupons equal more savings! (manufacturer coupon)
$2/4 Dial Liquid Hand Soaps (printable store coupon)
$1/2 9.37-oz. Dial liquid hand soap pumps (manufacturer coupon)
75¢/2 Windex Glass cleaning products (printable store coupon)
$1/1 Windex electronics cleaning item (manufacturer coupon)
$1/1 Coppertone Sun-care Product (except trial size) (printable store coupon)
$3 off Coppertone Baby Sunblock
& Huggies Little Swimmers
(purchased together)

ALSO.... (printable store coupon)
$1/1 Coppertone sunscreen lotion
$1/1 Coppertone sunscreen spray (manufacturer coupon)
$1/1 Adult Listerine Mouthwash
$1/1 Listerine Whitening Product (printable store coupon)
$1/1 1-lt. Listerine Flouride Defense rinse
$3/2 1.5L Listerine Zero Mouthwash