[Norm K]

I am not an attorney. Therefore the following is not intended to, nor does it constitute legal advice or counsel or any offer thereof. It is the opinion of a member of the laity only and should be used exclusively for entertainment purposes ...

You state that the buyer sent you the Bill Sale for you to complete and sign. Did you not require him to sign it as well? If he signed it the "As Is, Where Is" clause will likely cover you. If you didn't require him to sign it you might want to save some time and hassle and have him drop the claim in return for sending him a check.