“What does an auctioneer need to know?”/“Lots.”

An auctioneer riddle has been cited in print since at least 2006:
 
Q: What do you have to know to be an auctioneer?
A: Lots.
 
“What do you have to know to be a real estate salesman?”/” Lots” is a similar riddle.
             
   
Sotheby’s—Auction Glossary of Terms
Lot
An individual object or group of objects offered for sale at auction as a single unit.
       
Google Books
Riddles
By Vas Gratian
New Delhi, India: Sterling Paperbacks
2006
Pg. 22:
What must you know to be an auctioneer?
 
24 December 2006, Sunday Mirror (London, UK), “Gags that drive you crackers” by Stephen Hayward, pg. 4:
What do you have to know to be an auctioneer?
Lots.
 
Twitter
Matt Webb‏
@genmon
The cracker says: what must you know to be an auctioneer?
7:55 AM - 25 Dec 2007
 
17 December 2008, Evening Times (Glasgow, Scotland), “Let’s Get Cracking Festive Round-up,” pg. 16:
How much does an auctioneer know?
Lots!
 
Twitter
Craig Robinson‏
@flipflopflying
Christmas cracker joke No.1: Q: What must you know to be an auctioneer? A: Lots.
1:08 PM - 26 Dec 2008
 
Twitter
Andrew Black‏
@andybtalk
What does an auctioneer need to know….....lots! hah ho ho
1:52 PM - 25 Dec 2009
 
Twitter
Rich Nank‏
@Richnank
If there’s one job thats suitable for me it’s an auctioneer….. I know lots !
2:58 AM - 12 Dec 2010
 
Twitter
George Roscoe‏
@roscoe0ne
This years cracker joke “what must an auctioneer know?” .... “lots” #sigh
8:35 AM - 25 Dec 2010
 
Google Books
The VERY Embarrassing Book of Dad Jokes:
Because your dad thinks he’s hilarious
By Ian Allen
London, UK: Portico Books
2012
Pg. ?:
What do you need to know to be an auctioneer?
Lots.
 
Reddit—Jokes
What do you have to know to be an auctioneer?
submitted May 26, 2013 by kitsua
Lots
   
Facebook
The Hoop Group Auctions - Amarillo added 4 new photos.
January 3, 2017 ·
What does an auctioneer have to know? LOTS!
HAHAHA
How do they learn about all the lots? By using their AUCTION-EARS!
HAHAHA
Auctions are the one place you can get something for nodding….
HAHAHA
 
Reddit—Oneliners
You need to know lots to be an auctioneer.
submitted December 1, 2017 by wastoo