Regarding forming an LLC, I suggest you consult a tax attorney. There are some tax issues you'll need to decide. This IRS reference will give you an idea of what's involved:
https://www.irs.gov/businesses/small-businesses-self-employed/llc-filing-as-a-corporation-or-partner...
This reference explains the IRS rules on LLC start-up expenses:
https://www.upcounsel.com/llc-start-up-expenses#:~:text=Federal%20tax%20laws%20allow%20LLCs,on%20sta....
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
