If she were renting or owning any home, then there would be taxes and other expenses involved with it all, while there would be other checks that would have to be done.
Cerberus could probably find ways around that using their resources, but if she were still able to pay for everything when she was not working or receiving any support, then it would look very strange to anyone who saw it.
It was possible that she could attempt to get a part-time or full-time job to make everything seem real and legitimate, but that would only take up more time from her life that she could not give up for anything else.
There were too many things that she needed to keep going if she was to keep living her current way of living, and she could not give up on a single one of them, not even if that meant that she could live a more comfortable life.
