You know, I feel a bit strange when I sell stuff on CL: my stuff is in great condition, or I tell it like it is (have never sold junk -- can't bring myself to do it...). I replaced the AC on a car ($600+), last Summer, before selling it for 1/2 of BB value (sold for $1,000, worth around $2,000-$2,200) -- new owner totaled it in less than six months.
I feel strange when I sell my vehicles, as I have not sold junk yet. My 750 is for sale, and it needs... Nothing! It's really nice, tires are great, no work necessary. I must be stupid: every used car and bike I've bought, I always budget $1,000 to get them in "safe" condition for driving/riding, and it never fails that I go through at least the planned amount (usually more). Granted, I am particular about my vehicles, as I take care of them (typically, on a new acquisition, I plan for new tires, fluid changes all around, always a tune-up...).
I have been pleasantly surprised on e-Bay, and various vendors selling stuff through Amazon.com, though. I know that I am not the only person selling decent quality stuff, but CL does seem to be a bit more dicey. Sorry to hear of your carbs, Tools. That really sucks. Best of luck! Cheers!
1979 CB750K (sold, 2012, but not forgotten)
1983 Kawasaki 440 LTD Belt Drive (sold, 2011)
1993 Kawasaki Voyager XII