You've gotten pretty much all negatives, tough call not really knowing how it was rebuilt. What's your insurance co. going to say? Mine refuses
anything "rebuilt".
I'd forget resale if I were you, nothing scares more people off than that, except for perhaps a flood branded title.
As long as you are happy with it after a sound/through inspection up on a lift from an experienced bodyman, and if you get it for say half the "clean" title used value, and (lots of and's and if's) you don't really care how the value ends up in a few years then it is an opportunity to get one cheap.
Does CARMAX really warranty all the drivetrain, electrical, safety, emissions etc components for that price? For how long? Most people don't have a lot "nice" to say about 3rd party warranty companies...
Here's what one site says about the ext plan "MaxCare":
https://www.motor1.com/reviews/391847/carmax-warranty/
(Too long to post)
Here's a bad review about their ext warranty (Note - no idea if it is legit or not):
https://bestcompany.com/car-warranty/company/car-max
tarstar_borderstar_borderstar_borderstar_border
Robert Price
September 5th, 2019 Aston Mills,
"I have purchased 4 cars from car max with great experience. My wife and I bought a car two years ago with the warranty. The warranty was such a great deal I decided to purchase another car a year later solely because of the warranty itself. THEN I had my first issue. Found out quickly It is third party with little not heart. My wife and I have not seen her car for over 3 months! They tell the mechanic where he can buy the parts from which will take time. Our mechanic had a faulty part and ford would not take it back. The warranty company suggested having the car taken to a ford dealer to verify the part. The ford dealer had the car for weeks and then said not being was wrong. The warranty company suggested taking it to another ford dealership. It took them several weeks to look at the part. When it appeared as if the part might be faulty the warranty company then flew out their inspector who “found the issue” to be with the original mechanic. Tons of finger pointing....warranty company asking where my car is etc.....I should not have to be involved with it after paying several grand for my warranty. I loved car max and literally look on their site every day. I have referred tons of family members, friends, and co-workers to their business. They are great at what they do but cannot support a company that supports a warranty company like that. I plan to get a lawyer and expose this to local news agency. The king of Prussia car max is a large dealership and people deserve to understand what they are getting into."
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Me, I'd stay away but then I don't gamble on things. Who knows, could be the best thing since "sliced bread".