Live now, pay later

"Live now, pay later"

Is this a saying or a quotation? And, where does it come from?

It is a pun based on a well-known commercial slogan: buy now, pay later. What the author uses it to mean no doubt requires reading the rest of the author's remarks.
SS

Live Now - Pay later was a film directed by Jay Lewis. Jack Trevor Story was one of the two scriptwriters; he published a book by the same name in 1963. There is information about the film here:
www.jacktrevorstory.co.uk/ live_now_pay_later.htm
If this is the origin of the phrase, then Smokey seems right - from the little I read, hire purchase seems to be an analogy for the "act now consider the consequences later" lifestyle of the characters. Pamela