+1 to onnestabe

This is an adult's approach to the problem. You may not realize it now, but as life progresses, children become less and less dependent on parents (that part you know), but parents, rather than becoming less dependent too, become more and more dependent on their children. The transition is not easy and many many people, children and parents, fail. I think you are doing very well to consider this issue carefully before you have burned any bridges.

At the same time, your progression towards independence is inexorable. And it is up to your mother to adapt to it. But be smart in managing how this happens. You should shoulder the sole responsibility for success, but if you fail (as so many have before you), IMHO is must be with you being your own person and not some appendage of your family (unless, of course, that's what you consider in being your own person). So buck up and get the job done. Good luck.