Okay so I found today a really cool exploit that yields you 350+ exp and 100+ caps every 2 or 3 minutes in fallout 4 survival mode. Yes! This is in survival mode!
It's basically an exploit wherein you'll just need to do the quest "Learning Curve" over and over again. However, the trick is to kill the Brotherhood Scribe yourself or, kill him by accident.
Check out the nitty-gritty details of this video here: https://eusgamer.blogspot.com/2016/10/how-to-get-tons-of-exp-caps-in-fallout.html
Thank you and I hope you enjoy the video.
This channel's purpose is to make the game grind a bit easier for you guys, so you can just enjoy playing your favorite game.