I can't believe tonykay and cleeds are arguing about the stock market and liquidity come on guys relax it's stereo equipment! On the subject of resale value while I don't strictly consider it I do feel like I have a pretty good sense of what is and is not a good deal on here. Another way of saying I spend way too much time browsing the listings! The upshot being I've never seriously taken a bath on anything and I've never not been able to resell something after a purchase. I think after a while it just becomes instinctual. And I have mostly bought and sold gear from smaller companies with no issues.
