“What gets bigger the more you take from it?”/“The lower class.”

“What gets bigger the more you take from it?” is a popular riddle. “A pit” or “an excavation” or “a hole” has been the answer since at least 1824. “Love” was an answer from Dr. Frank Crane (1861-1928) in 1917.
 
A different answer was posted on Reddit—Jokes on December 14, 2017:
 
Q: What gets bigger the more you take from it?
A: The lower class.
   
         
Google Books
The Nic-nac:
Or, Literary Cabinet (Volume 2)
London, UK: Printed and published by T. Wallis
1824
Pg. 136:
What is that which becomes bigger, the more you take from it?
Pg. 151:
A pit.
 
Google Books
Christmas and the Year Round
By Frank Crane
New York, NY: John Lane Company
1917
Pg. 92:
THE SPENDTHRIFT OF LOVE
DON’T economize in love.
 
Love is the one exception. It is the one treasure that grows bigger the more you take from it.
 
18 September 1933, St. Cloud (MN) Daily Times and Daily Journal-Press, pg. 10, col. 1:
“Be a spendthrift in love,” said the late Dr. Frank Crane.
 
“Don’t economize in love.
 
“Love is the one exception. It is the one treasure that grows bigger the more you take from it.”
 
23 December 1945, The Independent-Record (Helena, MT), “Riddles,” pg. 12, col. 5:
What grows bigger the more you take from it?
Answer: An excavation.
   
29 October 1948, Lock Haven (PA) Express, “Daffynitions,” pg. 8, col. 5:
Hole: Something that grows bigger the more you take from it.
   
Twitter
Mary Garrett‏
@marysfreebies
Q:  What gets bigger the more you take from it? 
A:  A hole.
4:26 PM - 3 Nov 2009
 
Reddit—Jokes
What gets bigger the more you take from it?
submitted December 14, 2017 by Ezra611
The lower class.
 
Twitter
Guess my name!‏
@itzmestarr
What gets bigger the more you take from it?
The lower class.
12:26 AM - 14 Dec 2017
 
Twitter
Mr. Drinks On Me‏
@Mr_DrinksOnMe
What gets bigger the more you take from it?
The lower class.
2:29 AM - 14 Dec 2017