Good ideas there!
Get yourself one of these and anchor it into the joices (very important!). Get into the habit of using it every night before you go to bed. That’s what I did. It will buy you a lot of time to get the guns out.
https://www.amazon.com/Invasions-Burglars-OnGARD-Withstands-Nightlock/dp/B0044EF1GQ
And don’t stop there. Look into heavy-duty door strikers, with long screws that anchor them into the king studs. And get a doorknob reinforcement. There’s even more you can do.