No.
You try and sell on eBay and you might get a chargeback due to Paypal protection.
You try and sell it locally like that and who knows... might get robbed or might get into some low-balling people who just waste your time...
No idea why you would even sell at a time like this since by selling you would lose more money than selling it at a huge markup right now.
Paypal seller protection specifically protects you in the case of a chargeback.... ive had it happen a few times to me and PayPal has always covered me.
Now, selling locally is just stupid, you have a far, far bigger potential market online. Besides some of us live in the middle of nowhere so online/eBay is all we can do anyway.
If you have RX cards to sell then now IS the time. Not often at all that a GPU is worth substantially more than you paid for it...