At my home airport, uncontrolled but often lots of pattern traffic on nice flying-weather weekends, we normally always follow the "traffic on final always has the runway" rule, this happened to me a few weeks ago as I'd just finished my runup and heard a local Skymaster pilot make his radio call turning from downwind to base...
Me: Valley traffic, RV tango xray holding short for traffic, runway 13
Him: Neal if you're ready to roll, go for it
Me: You're almost on final, I can wait.
Him: You're in an RV, I'm in a Skymaster, you'll be 100' off the ground long before I ever get to the fence, besides I want to watch you takeoff and climb.
Me: Valley traffic, RV tango xray immediate takeoff runway 13.
Me: (after about a 150' takeoff roll and climbing like a rocket ship since it was cold and the density altitude was negative 800') Valley traffic, RV tango xray departing the pattern, right hand turnout to the southwest.
Him: Valley traffic, Skymaster 7 alpha charlie short final 13 full stop, damn I gotta get me one of those RVs