https://www.woot.com/offers/new-shark-navigator-self-empty-robot-vacuum-1?ref=w_ngh_mc_itm_is_1_tl Shark Navigator Robot Vacuum with Self-Empty Base (RV2120AE, Grey) on sale for $199.99. Shipping is free for Amazon Prime Members (must log in with your Amazon account and select a shipping address for Woot to apply free shipping) or is otherwise $6 per order.