I am an extreme couponing type person.  Do you use coupons to save money routinely? 
I've never tried that, but I do really like the show as the whole concept is very interesting.
The term was coined by the Wall Street Journal in 2010.  They claimed it as a new extreme sport. 
Sport? So the goal is to buy as much products for as little money?
Exactly.  And then TLC and ABC channels both came out with shows showcasing extreme couponing. 
I didn't know about the one from ABC, I've just seen the TLC one.
"Hard Times Turn Coupon Clipping Into the Newest Extreme Sport". On March 25, 2010, ABC Nightline followed up with its Season 3 premiere with a segment entitled "Extreme Couponing Competition: How Far Can $50 Go?"
TLC's "Extreme Couponing" is a show about shoppers who make extensive and focused use of coupons to save money while accumulating large quantities of goods. It was previewed in December 2010; after surpassing network expectations with more than 2 million viewers, it received a series order and began
Extreme Couponing
Extreme Couponing (renamed Extreme Couponing: All-Stars for its third season) is a scripted American reality television entertainment series produced by Sharp Entertainment and aired on cable network TLC in the United States and Canada.
History.
Extreme couponing is an activity that combines shopping skills with couponing in an attempt to save as much money as possible while accumulating the most groceries. The concept of "extreme couponers" was first mentioned by "The Wall Street Journal" on March 8, 2010 in an article entitled