Amazon has the 8-Piece Air Wick Plug-in Scented Oil Air Freshener Starter Kit (Vanilla & Pink Papaya) for $14 - 15% off (check “Save an extra” box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel at any time) = $11.19 with free shipping on $25+ or with Prime. Includes 2 warmers and 6 refills.