Ah, this is great to know, thanks! My one hoarding instinct stems from the fear that someday I'll need that rusted level 6 MSQ axe for an outfit that will be *perfect* but I won't be able to repeat the quest to get it. This means I am free to offload everything that isn't foresee-ably interesting now.
Also, good to know about the import tax. This means I need to undercut by at least that amount if I want great odds of never having to click on the item again
Good to know too that some people buy the quest gear (which makes sense for rich players with offspecs, I suppose). Maybe I've been dumb to opt for the "Allag silver pieces" more times than not.