Monty Python only became valuable when it was sold to Public Broadcasting Service (PBS) in America. They didn't pay much either, but the series has been shown repeatedly, which led to lucrative tapes, CDs and DVDs.
Eric IdleJohn Cleese once told me he'd do anything for money. So I offered him a pound to shut up, and he took it.
Eric IdleI think the special thing about Python is that it's a writers' commune. The writers are in charge. The writers decide what the material is.
Eric Idle