I keep seeing this “buy a gun” advice. Do you have any evidence that a gun will actually help? Your likelihood of dying to a gun and specifically that gun skyrocket, and there is little in the way of evidence for it being effective self defense (that I have found):
psychologytoday.com/…/does-owning-gun-protect-you

I can understand wanting to feel protected and safe, but introducing an efficient killing device into the situation may not be the safest choice.