Cutting wrists: tried when I was 15, completely botched the job, not an option now.
Gunshot: have guns, and will use as a last resort, but don't like the mess it'll leave for my family
Jump off Seattle-Bainbridge ferry with weights in my pockets: free boatride, if you walk on from Bainbridge, and with enough weights there's no recovering the body
Drive into a bridge abutment at high speed: I had a bridge picked out, but I'm no longer in that area and have learned better methods
CO from car in garage: have an old (1953) car it would work with, but I think I'd flinch in the time it took to become unconscious
N: I may be contacting A soon
Exit bag/N2: have it ready to go, have tried twice in the last ten days, but I just keep flinching. The moment between when you pull the bag down over your face and when you pass out is astonishingly long...