My plan is simple... But not the best. It could and will be improved on in the future but it's better than nothing for now.
My head board on my bed is one those ones that has 3 seperate spaces for stuff... Like books, remotes, what ever. One big rectangular box in the middle, and 2 square boxes on each end. Then stuff on top of the head board, alarm clock, and other "trinkets".
In the middle compartment, I keep my Ruger Mark II 10 shot .22 with a loaded mag in it's snap release holster. I dont keep one in the chamber. My big upright pillow is in front of it (use it for sitting up and watching TV/movies) So I'd have to reach back behind the pillow in to the space, grab the holstered gun, remove it from the holster, chamber a round, and then make sure I know whats going on!
I keep a mag light right there too (actually my mag light is inbetween my mattress and the sides of my bed "used to be a water bed but I put in a mattress" in a vertical position to grab easily) I also have a huge Bowie knife right there by the mag light, and a quick flip out pocket knife on my night stand right next to my bed.
I dont have a lock on my door (that needs to change) my .22 just has black metal iron sights, so that would be bad in the dark. But we have motion detector lights in the front and on one side of our house, but we should really have them at every exterior door.
What I'd like to do is replace my .22 with my S&W 9mm for my out of the safe HD gun, then put on some tritium night sights so I can see my front sight in the dark, or maybe put a surefire flashlight on it's rail. The reason I dont is I live with my parents and they dont yet know about most of my guns. (My grandpa gave me the Ruger .22 so I can keep that out)
There are lots of good things to do to keep you and your house safe.
Having a cell phone by the bed is a good idea, sturdy locked bedroom door is also great, a barking dog, motion detector lights. And like said before, front door keys so you can throw them out the window for the cops to use to come in and clear your house, so they dont have to break the door down.
Also different types of signs out side your house might help (Although I wouldent suggest anything advertising you own firearms) and a relatively open yard is good. Too many trees bushes and stuff in your yard will help a criminal feel safe and give them more confidence to approach your house, knowing that your neighbors wont be as likely to spot them.
AND! you could even leave one or two lights on in your house, maybe a different room every night. and preferably in a room that people cant see into at night, or keep the shades closed, to keep them guessing whether or not someone is inside and awake.
Good luck... You can put up bullet resistant walls if you'd like. But chances are you wont need them unless you go outside your room to investigate, and a shoot out starts and you need to retreat back to your room. If they are at the door of your room, and your waiting inside with your gun, I suppose you could shoot through the door knowing your somewhat protected behind your steel plated wall. But I dont know the legality of shooting people through your bedroom door. I'd guess it would be ok, since they are already in your house. And I've read stories of people doing that. In which case the bad guy got hit and ran away, died or got picked up at the hospital.
All in all, get yourself a pistol or shotgun, practice practice practice. Have a plan. And go as far as you would like with the different types of optional security. Most criminals are easily intimidated and will always find the weakest target. But for those who just dont care, and are out to prove to them selves and others that they are Bad, and ready for anything. Well, just be ready to prove them wrong.
Also, dont stress out about it, and dont forget to enjoy life. Meth addicts are people too
I dont have a bug out bag right now. But it couldent hurt
Also, I've never been a fan of keeping my mags loaded, because of the idea that your mag springs will eventually go bad (I should ask Myth busters about that one) But Maybe I'll order a bunch of AK-47 mags that I can keep on hand specifically to keep loaded for "emergencies"