Upper division classes, even just one, is where it becomes a problem. You can have nearly unlimited amount of lower division courses, they’re just capped at 60 (or some other number) when you transfer. If you have upper division courses though, they aren’t automatically capped and you can easily be in danger of exceeding their limit.
For residency, I think you need 365 days prior to enrolling in school. Not 365 days while enrolled in community college.
Your post has a lot of questions and line breaks (hitting the enter key) would have made it a lot easier for people to read through and answer your questions.