I have my entire windshield tinted as well. I would park in the sun for a day or two and let the heat dry the film out. I would be surprised if the bubbles don't come out. Tint likes time to dry and fully cure. I have never been stopped for my tint either. I have ceramic Xpel ceramic43% on...
Personally I would invest the money . It sounds like you have your finances figured out for not having a great job as you say. If the trans goes out after warranty expires you have the money to fix. If the trans does Not go..you still have your money and you didn't spend it on a warranty you...
Today I experienced the infamous 3rd gear lockout while doing a little spirited driving on my way home. I took second gear to just about 5500 RPM and went to put it in 3rd and no go. I let off the gas and pressed the clutch in and was able to get the trans into gear finally. All seems fine now...
Livernoise tuner has tons of PIDS you can follow with a nice suction cup mount for the controller. You can keep it in gauge mode and they will come on with the car turning on. You would need to tune the car though or at least buy the device from them