Amazon takes 20% off a selection of Shout cleaning products via this clippable coupon. Plus, where available, take an additional 5% off and bag free shipping when you order via Subscribe & Save (eligible items are marked); otherwise, Prime members receive free shipping for all items. (Non-members can spend $49 or more to qualify for free shipping; otherwise, shipping starts around $6.)
Be sure to cancel Subscribe & Save after your order ships to avoid being billed for subsequent shipments. Note that some items are only available via Amazon's Prime Pantry program, and others are available exclusively for Prime members. Also, some items are part of Amazon's Add-on program and can only be purchased with an order of $25 or more, if you choose not to order via Subscribe & Save.