Here’s a medicine cabinet staple: get stool softener for less than $1.00 at Walmart. Remember, even though the coupon says “redeemable at Walgreens,” it is a manufacturer coupon and fine to use anywhere.

DulcoEase Pink Stool Softener, 25 ct $3.98, regular price
Use $3.00/1 – DulcoEase Pink Stool Softener Product, redeemable at Walgreens – (coupons.com)
Final Price $0.98