Landlord bodgejobs can get pretty skeezy. Case and point: balance the new propane tank precariously with a toolkit. Psssh, don't get sassy with me, mister! It's only the living spaces of several dozen people you're toying with here!
Instructables user cbaabc73 came up with a cheap and easy way to turn off outlets when you aren't using them. He built it after noticing his wife kept leaving the curling iron plugged, which can be extremely dangerous. This DIY project takes only basic tools without the use of soldering.