I find that when I turn notifications completely off, I fail to check that app in a timely manner as time goes on, so I leave most of them on, though my default notification sound is SILENT, so most of them just gently flash the light to let me know they're there. Only calls, texts, and notifications that won't allow me to turn it off have vibrate set as well.
I only had one pistol at the time and I had given it to a lady to go out exploring. Upon her return, she found a lover and settled down, but I couldn't get the gun back because it wasn't technically equipped when she switched to maternity clothes, so that was fun.
I've since found a rifle and retrieved the pistol from the lady. I have 2 men working in the power reactor room one level below the vault door who are now armed and wearing army fatigues. We will be ready upon their return. Haha!
Also, I went to buy lunchboxes because I'm enjoying the game needed some help recovering after the raid, a couple fires, and multiple radroach infestations and I accidentally bought a pack of Mr. Handy robots. Boy. They really ARE handy. They auto collect resources in the vault and/or can go explore, they put out fires, they try to help protect against raiders. They weren't what I was trying to buy, but I'm kinda glad I did now. I used $2 of my Opinion Rewards money on a couple lunchboxes after that and my people are once again prospering.
Ok...Yeah. I got a little sucked into this game...