An auctioneer, in the absence of special authority or usage, has authority from the seller only as follows:
(1) to sell by public auction to the highest bidder;
(2) to sell for cash only, except for articles usually sold on credit at auction;
(3) to warrant as an agent pursuant to 28-10-421;
(4) to prescribe reasonable rules and terms of sale;
(5) to deliver the thing sold upon payment of the price;
(6) to collect the price; and
(7) to do whatever else is necessary, proper, and usual in the ordinary course of business for effecting these purposes.