Buying a Jeep Grand Cherokee?

When selling things on CL you get a lot of goofy calls, with some people asking 20 questions, calling back 5 times, asking for a lowball price, making appointments 3 times and missing them, what to pay you 10% down to hold the car for 3 weeks, etc. So he has no way to know if you are a serious buyer.
You are buying a 9 year old car, those have a risk no matter what. So if the car has a material issue, why would the seller disclose it? So you can ask and maybe you garner some more info, but you really need to take it to a mechanic. And even then, it could check out fine, the previous owner took care of the car, then the engine blows 2 months later. It happens.
So back to lowering risk.
1. Why are you selling? Does it make sense or seem evasive.
2. How long have you had the car? If less than 6 months, I am not interested. And I prefer over 1 year of ownership.
3. Does the seller actually work for a dealer? If so this is shady, dealers often let sales people pose as private sellers for cars that have problems, this way they can say car was not sold on their lot. Or car is owned by an LLC and the buyer has no way of knowing the actual dealer name.
4. Is the seller a curbstoner. Never buy from curbstoner.
5. Title jumper. Never buy from a title jumper. You ask the person very directly, who's name is on the title? When you go to look at the car, make it clear you will need to see the title and the seller's ID to confirm you are dealing directly with the owner.
6. Does the seller have any repair records?
7. Pull a report. I like Instavin.
8. Inspection by a mechanic is required. The bigger risk is of repairs, if mechanic says, AC does not work, ball joints, tie rods and struts are all worn out, rotors and pads worn, and on a 9 year old car most likely will need 1-4 new calipers, and is the exhaust rusted out, then you are looking at a lot of repairs over the next 6 months.
So I would not worry about it and move on.
Best of luck.

plan and simple. he didn't want to sell it to you

He thinks you are a time waster or has something to hide, or is just lazy.

You meet some <interesting> people when buying and selling cars.

Just walk away. There are hundreds of cars for sale.

Buying A Jeep Grand Cherokee

Because he is hiding something snowflake.

most likely he is a professional car salesman and didnt want to tell lies on the phone about what he was selling. Its illegal to lie about the condition of used cars to sell them. If they lie, it voids the " buy as is " clause in the law. They can be sued.

Say you have three cars. Do you remember the mileage when things were done to them? I don't. If interested go see it and ask questions when there. The most important question is, can my mechanic have a look at it before I buy it? A mechanic can do quick tests to the trans to check integrity among other things.