Whenever visiting friends, slip your hand down the back of couches to check for loose change.
Letter-box drop the neighbourhood and start selling tickets to your home theatre. Offer popcorn for an added earn.
Start auctioning off non-essential items on Ebay - TV, fridge, husband....
It's finally time to put your name down for Deal or No Deal, The Price is right or Who Wants To Be A Millionaire?
Try a change in career - turn to crime.