#1 Knowledge of how to create books in the creation kit (very easy i will leave a tutorial link at the bottom of this post)
#2 A Love for role playing,because there is lots of it :)
#3 Being ok with slow leveling
THE BACK STORY
You are a imperial in cyridel who is trying to make it as a big name author and you just finished a book,and to your surprise a man shows up at your house and offers you a publishing deal,you agree and invest 10,000 septims in him,which was almost all of your money.You later found out he was just a thief that scammed 10,000 septims off of you,now you have lost your house and decide to try the life of a mercenary and when you get back on your feet start writing again,you got your first job about a week after the thief scammed you and you were to escort a rich noble man across the border to skyrim,on the trail you stopped to rest a bit and planned on catching up with the noble man and the other guard later,but as you wandered the wilderness looking for them,lost,you stumbled upon darkwater crossing and are ambushed by imperials and are captured along side stormcloaks.after you arrived at helgen they were going to execute you and the stormcloaks when a dragon attacked,you luckily survived and decided to settle down in solitude where you would write books again,but as you made it to riverwood you were asked to go inform the jarl of the dragon attack,and thus your story begins.
You will need to think like a writer,for example if you see a man fighting off a troll,think hmm could i make that into a story,or base a story on it? this is what you should be doing,also
you are not much of a fighter so you rely on sellswords for combat,and from your spoiled life,you enjoy the finer things in life which means no clunky armor just fine cloths and fine weapons,and when you think you got your self a good story,open the creation kit and make the book,ingame add 10 copies to your inventory and sell them to merchants or use a market stall mod if you have one.
you really on sellswords to fight for you so you stay in the back with a dagger and watch the fight :) if your sellsword happens to die,don't hesitate on running.
you will mostly use a dagger and not be using it much,if you would like you could invest in restoration to heal your sellsword.
Any quests that you think would make for a good story will work, just rember to always bring your sellsword!.
Speech is one of the main things you will use,and if you like you can invest in restoration for your follower.
CLOSING COMMENT AND LINKS
If you like this build please tell me,and if not tell me what you do not like about it (it is a discussion after all).
(How to make books)https://www.youtube.com/watch?v=KQtYEDq9xTc