I asked my local Tesla dealer what they recommended, and they emphatically told me FB marketplace. Needless to say, I was dubious. I checked Carmax, and got a reasonable quote, but could tell I was leaving money on the table, so tried the FB marketplace thing. It was a bit annoying at first, as the vast majority of messages came from dealers, and I was adamant about saying no, and thought my best deal was with a private party., I went a couple of weeks with that experience, but eventually I started playing with the offers, just saying I had no need to entertain them, but if they wanted to match my full price (which was 4k over what I paid, and what Carmax was offering), they could step up. Surprisingly, I ended up finding a bid within $500 from a Texas wholesaler who sends reps out to different states to purchase cars and flip them to other dealers for a minor profit. It was very easy deal; a meeting and quick inspection to prove my ad was not making up anything and then wiring of $ to my bank while we made small talk. I made my 4k, and he may have made another $500-1000, so we were both happy. DM me for more, but I think there is a vast willing market from wholesalers like the one I had.