Firestone Complete Auto Care review: Wanted to purchase tires/maintenance work/state inspection

I called on July 16, 2025, to make an appointment for my 2011 Lincoln MKX to purchase 4 tires, an oil change, rear wiper blade installation, and a state inspection. Prior 3 weeks ago, I called to get a price on 4 tires, and since I was going out of town, I would call back to make an appointment. I had purchased 4 tires a month ago, for my 2016 Lincoln MKZ, and spent $1600.00. The tires that I was going to purchase for my MKX was approximately $1100.00. The lady at the store told me that I had to leave it for a few days due to the state inspection, since it was first-come, first-served, and that no appointment could be made. I asked why for a few days if I could drop it off overnight and pick it up the next evening. She told me, because of the state inspection, that it is first-come, first-served. This got me quite upset because I used to be an Auto Technician and a State Inspector. To me, it made sense that if I purchased tires and had maintenance work to be done, there would be no problem getting the inspection done all within the same day, since the vehicle is up on the lift in the garage. I then told her, never mind, to forget the appointment. I have brought all of my vehicles there numerous times for service and tires.