Plum B2G2: Buy 2 Get 2 Free On All Products at Plum Goodness using the latest coupon code, discount code, promo, deals & offers from CouponZania. Plumgoodness has come back with a fantastic offer. Use the Given Coupon Code To Avail of This Offer. Add four products to the cart, and the two lowest items will be marked free. Valid on All Single Products Except Lipsticks.