With so much uncertainty in the world, 2018 is a good time go get armed. Right now an AR-15 style rifle can be had for as little as $400 to $500 dollars!
No joke. Even though it is 1950's technology, the AR platform is more than capable of home defense. In fact, there are hundreds of examples nationwide of everyday homeowners defending themselves with AR15's. Just google it, the result will be more stories than you can read.
Sites like PalmettoStateArmory.com and GrabaGun.com are having some great deals on quality firearms at budget prices. For instance:
https://grabagun.com/smith-and-wesson-mp15-sport-ii-5-56mm-16.html?source=igodigital
and
https://grabagun.com/ruger-ar-556-black-ar-15-223-5-56mm-16-1-inch-30rd.html?source=igodigital
They have been at affordable prices now for so long that criminals no doubt have them. Why shouldn't you? Don't be outgunned!