Lately, I have been giving a lot of thought into what I can do without. What things can you condense down? Not many have porno mags anymore, people whack it on the internet for freeish. Most everyone around here has the do/k/ument, negating most physical media unless you're like me and enjoy the experience of a book. Most open source tablets and rpi clones can be run off of little solar power packs, and a USGI stove, mess kit and utensils work well for eating if you live alone and also hunt. There's a number of people who forgo gyms entirely and just do stuff like jogging and biometrics and achieve some pretty good results for little money.
You can grow your own food fairly well with not much, and you can hunt with even well loved cheap milsurp, with none but a dirtbike as your ride, and a comfy sleeping bag, hammock and tarp as your home.
So what about your guns?
Is there a set role for each of your guns? Is there double ups or triples of what could be done by one gun?
Could the guns themselves be smaller, lighter, better?
Could the caliber be condensed, or the role itself be eliminated in regards to your personal context?
Could your ammo selection be knocked down to just one round?
Could your reloading setup and gear be made smaller?
For a great number of people, I personally believe that if you lived in a wooded area, you could do very well for yourself having none but a shotgun of some kind, perhaps a small pistol or revolver as your carry.
If you live in the plains, it might be wise to simply own a rifle in a 7mm or .30 caliber; perhaps one battle rifle, or an ak pattern rifle?
It's well and good to have, love and cherish a gun room with a boner inspiring amount of rifles, with a personal museum of nuggets or k98s. But which one would you walk out that door with?