If the person lives outside your country of residence, then it is not a good idea to do a deal to buy a used car from this person.
Extended auto warranties are not to be confused with the insurance policies.
That's as long as you follow the rules to the letter and in the correct order.
If you are interested in something, suggest to the telemarketer that the email or send you the information for you to review and get back to them.
It's easy to shop around for the policy on the web using their website.
Cheap used car for sale: trading ideas: the search for Kelly Blue Book so you can get an estimate of the price of vehicle used.