Yes, the owner or owner's lawful representative can bar you from the store.

You ask too many and too detailed of questions for a simple question and answer forum such as this. If you want detailed legal advice, you'll need...

A window tint isn't a statement. It is a legally regulated function of your car, which is a highly regulated object. Fifth Amendment doesn't...

Private citizens don't charge people with crimes. You can report anything you believe to be a crime to law enforcement. The prosecutor decides...

Check the statute for the form of notice required if your lease didn't specify it, but oral notice is not sufficient.

You need to enter an answer in the case denying the claim. Hiring an attorney would be prudent.

You state: "Parental substance use alone is not child abuse when done out of sight and care of the child ..." That is not the law in Iowa. ...

You do not state a basis for emancipation, and you won't be granted emancipation if your plan is to live with coaches or friends.

Sure, it's possible to have a claim. There's not a law against "favoritism" or "unfair and disgusting" things, though.

Yes. You could have also been arrested.