You will have access as long as this school exists. With your support and the support of others this will hopefully be for a long time :)

Yes, you can contact me. For some courses there is also a community where you can ask questions.

Yes, you can turn notifications off. You will find the button under "Settings" in your profile, or directly where you see the notification (the little Bell on the top)

If you want to delete your account, and you are enrolled in courses, you will not have any access to your courses anymore.
Please contact me, I can then delete you from the school.

First, you need to login, and then you can find your purchased courses under "MY COURSES".