It appears you were put on deferred adjudication of some sort. I see no grounds for a lawsuit. Appears Home Depot had a valid reason for suspecting...

No it is not. Speak to your parents.

None of it is real. The check to his account will likely/undoubtedly bounce. It is a scam. He can have an attorney review it and can call the cops.

This is a common scam. Block the number and don't respond. And quit taking pictures of your junk.

No. Alcohol is legal but abstaining is frequently a condition of probation.

Probably nothing you can do about this trip but you can seek to modify your decree for future issues. But theme parks are probably the safest...

"Trying not to fix nothing." Not sure what that means.

I hope you returned the milk for a refund.

You can sue the person who grabbed you but it doesn't appear the hotel had any fault.

It will depend on your contract with the seller.