Take a look at what insurance will cost you for this as well.
I have an LLC for a business, but it is not in labor and it involves more than just myself. If this is just you, the LLC is a disregarded entity, so your taxes will be treated as if you are a sole proprietor on schedule C regardless (unless you make an election for S Corp or C Corp). I would imagine the only upside to the LLC would be for liability, but since it is only you doing work, I'm not sure how this would help. I am not a lawyer and can't speak to this. For liability purposes, you will need to look at additional insurance.
Sorry to give you a non answer, but just maybe some things to think about.
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