FWIW, I always keep a very small can of pepper spray RIGHT by my door (and pocket it whenever I go out). There are various levels of threat... I need at least another choice available before I choose bullet.
What did Mrs. Bullet say to Mr. Bullet? ... "We're having a BeeBee!"...
IF THE SHOE FITS, WEAR IT!... IF THE GUN FITS, SHOOT IT!
"Experience is something you don't get until just after you need it."