Amazon has 240-Count Nature Made Melatonin Supplement Tablets (3mg) for $9.29 – 5% when you checkout via Subscribe & Save – 35% when you ‘clip’ the coupon on product page – $1.86 (in cart discount) = $3.72. Shipping is free w/ Prime or on $25+.
Note, You must be logged into your account. Coupons are typically one use per account. You may cancel your Subscribe & Save subscription any time after your order ships.