something frugal i do:

TURN OFF THE LIGHTS WHEN YOU'RE NOT IN A ROOM!

it's so basic but something that's easily over looked. we live in a townhouse and i am constantly turning off the downstairs lights when both M. and i are upstairs. he leaves them on because he'll 'be going back down stairs in a bit' and i kiss him on the cheek and say ever so sweetly 'honey turn them on when you are down there then.'

last night we ordered in Chinese (yay for budget busters!) and we were both going back upstairs to eat and watch TV and he actually turned off the lights downstairs when we headed upstairs! it was sexy! :)