Buy and Sell Your New & Used Product CloseQuest is the best marketplace to sell kitchen appliances and accessories. The great thing about CloseQuest is that sellers(and buyers) are verified, working professionals. The user can list their items or buy without fear of fraudulent activity regarding products and delivery processes. You can sell your products to your colleagues. Buyers can reach out to the seller from the product page by clicking “Make Offer,” “Ask Question,” or “Message Seller”. Sellers can continue the conversation in the CloseQuest Messages.