asus geforce 1070 oc strix

I'd like to keep the 1070 OC STRIX (formally labeled the ASUS ROG STRIX-GTX1070-08G-GAMING by the manufacturer), but some unexpected expenses have come up, so I can't really justify keeping the 1070 around for my seldom used backup rig. I'm asking $500 + shipping costs for the Asus GeForce 1070...