Not sure I follow you?
Yes, after talking with him for a while and using my tactics, he said he would let it go for 4K. Registration was also just paid, which is a bit of savings, right?
Your mileage may vary, but in my state, you have to pay a fee to transfer title, but the registration is good for whatever the remaining term is. You must show current compliance with emissions controls, this means that it must pass smog before you can transfer title and get the registration into your name. If the current smog was done within the last 60 days, then you can use the report, otherwise the SELLER is required to get the car tested and provide the report to you. He needs to get a TRANSFER CERTIFICATE, this is a certificate that is good for 90 days instead of only 60. My state will collect sales tax on the purchase price that is shown on the Release of Lien or Pink Slip (Title Document). The seller reports the sales price on the title document when he signs his interest in the vehicle to you, the state collects sales tax on this number.