Seller's address should be on the title and that should match his driver's license. Meet in a neutral location, I prefer a police station for protection, exchange funds for title/keys, then parties go their separate ways.
Or go to a bank if you need a notary. This is also a safe location.
Banks can verify funds but be warned most checks take 2 weeks to clear, IF they ever do.
FOR; that's why if you accept a check from someone you don't know make sure it's a cashier's check from a financial institution you can trust.
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