“There are three dimensions to credit cards: length, width and debt”—“debt” sounds a bit like “depth”—is a jocular saying that has been printed on several images.
 
“There are four dimensions to most things we buy these days: length, width, heighth and debt” was printed in , The Sunday Sun (Baltimore, MD) on February 6, 1972. “There are four dimensions to most things we buy these days: Length, width, height and debt” was printed in the St. Joseph (MO) News-Press on February 26, 1972.
 
“Boats have 3 dimensions: length, width, and DEBT” was posted on the newsgroup rec.boats on May 24, 1991. “BOATS COME IN THREE DIMENSIONS: LENGTH, WIDTH AND DEBT” is a saying that has been printed on an image.
 
“There are three dimensions to credit cards, length, width and debt” was posted on the newsgroup rec.gambling.craps on April 20, 1999. “There are three dimensions to credit cards: length, width, and debt” was posted on Reddit—Oneliners on January 16, 2020.
     
   
Newspapers.com
6 February 1972, The Sunday Sun (Baltimore, MD), “Sunday Punch,” Magazine, pg. 30, col. 2:
There are four dimensions to most things we buy these days: length, width, heighth and debt.
   
Newspapers.com
26 February 1972, St. Joseph (MO) News-Press, “The Lighter Side of Life,” pg. 4A, col. 1:
There are four dimensions to most things we buy these days: Length, width, height and debt. 
 
Newspapers.com
4 April 1972, Atlanta (GA) Constitution, “Regarding Litters and Literature” by Leo Aikman, pg. 4-A, col. 4:
They say there are four dimensions to most things we buy today—length, width, height and debt.
     
Google Books
American Squaredance Magazine
Volume 37, Issues 7-12
1982
Pg. 29:
From Meanderlngs, “Confusion Say: ‘There are four dimensions to most things we buy these days: length, width, height and DEBT.”’
 
Google Groups: rec.boats
Question about WaterPump.
Neil Shannon
5/24/91
(...)
Boats have 3 dimensions: length, width, and DEBT.
         
Google Groups: rec.gambling.craps
Old Casino Chips
Mason Clarke
4/20/99
(...)
Mason
There are three dimensions to credit cards, length, width and debt.
 
Google Groups: alt.music.trombone?
Mouthpiece question
Sandra Dunmire
7/31/99
(...)
Sandra
Credit cards have 3 dimensions: length, width, and debt!
         
13 June 2002, The Commercial Appeal (Memphis, TN), “Then Again, It Could Be His Mom, Or Even His Ex” by Jon W. Sparks, pg. E1:
The three dimensions of credit cards: length, width and debt.
 
Twitter
Graeme Russell
@CharityMatters_
There are three dimensions to credit cards: length, width and debt
5:14 PM · Jan 20, 2009·Twitter Web Client
   
Twitter
Jacqui Roberts
@Jax10
HA..found this, “There are 3 dimensions to a credit card, Length, width and Debt!”
5:08 AM · Apr 9, 2009·Twitter Web Client
   
Google Books
5,000 Great One Liners
Compiled by Grant Tucker
London, UK: Biteback Publishing
2012
Pg. ?:
The three dimensions of a credit card are length, width and debt.
 
Twitter
THE CANCEL OF ELDERS.
@Buggz79
Credit cards have 3 dimensions :
1. Length
2. Width
3. Debt
7:46 AM · Sep 3, 2015·Twitter for Android
 
Reddit—Oneliners
Posted by u/GreenEyedNotAMonsta January 16, 2020
There are three dimensions to credit cards: length, width, and debt.