Finally found that trash can Carla on my way to diamond city. Didn't make it cuz I got sidetracked by the brotherhood of steel. Yea fuck them for now.
Now that you found her she should show up at Sanctuary Hills every day, as long as u didn't try to rob her lol. She's at a convenient location too, right by your work bench so anytime you fast travel she's usually right there to sell some loot to.
I started my second play through a few days ago doing everything completely different. I made a chick character so to make it more realistic I made her Strength only 1 because she's a female and they are weak lol, and charisma 9 since she has tits and I figured unradiated/mutated tits are rare as fuck so people would do anything for her lol. It's a bitch though fighting with such low strength, getting destroyed by low level raiders and even some Ghouls can be a problem.
Already discovered several things I missed in my first game and found some really evil results from being a dickhead to everyone. I'm not sure who I'm going to side with this time, I went with the Railroad ultimately last game since again, I'm a sucker for AI. I'll probably go with The Institute although they seem better than the BoS so I'm not sure which is the more "evil" path.
Also getting different Perks that I passed on. Nerd Rage for example is dope it's like unlimited supply of Psycho Jet - when ur energy gets low in combat, which is all the time for my weak female character, time slows down automatically, and you get 20% more damage resistance as well as dishing out 20% more damage. Very beneficial!