The term 'Place to do one's bidding' can be summarized by two crossword solutions: eBay (4 letters) and Auctionhouse (12 letters). eBay is an online marketplace where people can buy and sell goods and services. It was founded in 1995 and has become one of the world's largest online marketplaces. Auctionhouse is a physical location where people can bid on items for sale. It is a popular way to purchase items at a lower price than retail.