Hi,
I bought a barrel of costco oil for diesel engines. I think I used it only once but have since sold my car. My new car is under warranty, so I have to let the garage change the oil for a couple of years. Rather than have it sit about until the warranty expires (and it may not meet the spec for my new car) I was wondering about putting it on ebay. Would someone buy it do you think, or would you be put off by the fact that it had been opened? Would you sorry an unscrupulous seller might have changed/contaminated the contents? Would that put you off? What is a good price to sell it for?
TIA