I have no idea what you’re asking. Buy whatever gun you want, from whichever manufacturer you want. Your local gun shop can assist.
See your local gun shop or gunbroker.com for used firearm availability.
This is dependent on your location. Call your local law enforcement agency or do a google search for “[your location] gun license”.
This is dependent on your location. Google is your friend.
Is that a Lee Enfield? An antique bolt action rifle is a poor choice for protection.
Some shops will do layaways, but you’ll need to make those arrangements yourself by contacting the shop.
Stop playing video games and go outside.