My writing is nearly illegible if writing fast, so I screw myself if I use pen and paper much. There are too many crossouts and things (and little arrows to reorder bits). That's reserved for: "I'm sitting in the car and just got an idea." My memory for things like lines of dialogue is terrible.

AO3 is kind of simple for archiving, because you can throw the URLS into one box and post a bunch of things at once. I'll do three or so at a time, but only have a few things up there at the moment.

You do have to clean up the headers and tag things after they're up, though.