Any person who for a fee, commission, finders fee or any other valuable consideration, or with the intent or expectation of receiving the same from another, solicits, negotiates or attempts to solicit or negotiate the listing, sale, purchase, exchange, lease or option to buy, sell, rent or exchange for any real estate or of the improvements thereon or any time-share interval as defined in the Tennessee Time-Share Act, compiled in title 66, chapter 32, part 1, collects rents or attempts to collect rents, auctions or offers to auction, or who advertises or holds out as engaged in any of the foregoing;