Women who have advanced breast cancer will usually not be insured for any treatment that involves the breast cancer while travelling overseas, but can be insured for other health events.
Housework
Freeze a big cookup and keep in the freezer for when you have chemotherapy, and are not feeling well. Ignore housecleaning – spend your days doing stuff you enjoy. If the housecleaning is too much employ domestic help, or ask family or friends to assist.