I don't even think I'm capable of that. I've bought a bunch of guns over the years strictly for resale, just because they were great deals. Could never resist trying them out, even if only for 20 or 30 rounds. I even bought a like-new Weatherby MkV once (for $300!!!) and drove to my local shop to see about trading it in. Wasn't a fan of the style, but had a box of ammo in the lock-up for it, so tuned right instead of left, went home, took'er out behind the barn, and...still have her, six years later, plus a couple of others as well. I would never have known how well that stock design works for me if I hadn't tried it.
How could you resist trying out a new-to-you gun? What if it's the tackdriver that we're always looking for? What if you fall in love with it? You never know!