Today, I found Scrubbing Bubbles toilet cleaners on clearance at Kmart. Use this printable coupon to get Scrubbing Bubbles One Step Toilet Bowl Cleaner refills for only $0.34, and a starter kit for $2.38!
Keep in mind that clearance prices and availability vary from store to store.
Keep an eye out for more cleaning supply clearance items. My store was full of items on clearance. Here are more deals I found in my store: