It drives me nuts during the warm weather months of the year when I drive my Jeep completely stripped down and it's all dirty. But doing a total and complete wash/wax to me isn't necessary unless it's absolutely and completely filthy from rain and mud.
So I go through the trouble of hitting up the front/rear bumpers and the fender flares with some Armor All protectant spray, and also my tires with some Meguiares Endurance tire gel (which I've become completely addicted to).
FYI for you car enthusiasts out there, this stuff or the spray is the shit!!!
For the purposes of this exercise, 1 being you just want something to get you from point A to point B reliably, safely and really nothing else matters. 10 being you obsess over it, want it fully tricked out and are giving it unnecessary waxes on a weekly basis. Have a guy down the street from me that does a full hand wash and wax of his Mazda Miata every week.