As a female, she needs to protect herself from the bad guys. She needs to fortify her home. Doors and windows are her weakness. She has to hire a security specialist to help her do that. Using electronic security devices works now but when the grid goes down, she will have to have something much heavier. Doors and windows are still a weakness.
Ideally, she should use heirloom seeds to produce and can her own food. Not everyone has a farm, so she needs to stock up on fuel, food, drink, meds, supplies and heirlooms seeds, enough for years of living, off grid.