The second is the tax assessor.

All roommates would be paying rent.

I understand that state tax and regulatory conditions can vary quite a bit. 

I know investors who pay (a ton of money) for probate leads.

When structured properly it can come with a property tax deduction and sometimes deferral DM me if you’re still looking for assistance with land trust formations  

If you need financial help, ask under the "Finance, Tax, and Legal" forum.

If income is tight you can buy your primary home first and use a DSCR loan program secondly to buy an investment rental because DSCR "Does Not" use income or tax returns instead it uses the properties rents to qualify.Best thing to do is talk to the Bank so that we can run the numbers up front so you know Max loan amount for primary.

The profit will be taxed at my personal tax rate.What's the benefit of having an LLC to do flip?

I think most real estate agents won't waste time on buyers who are "coming in with an offer well below asking" with their main justification being they want to pay less, fishing for that rare seller who will randomly accept a much lower offer before dropping list price first to generate competition. 

Knowing zoning laws, property taxes, and landlord-tenant laws will help you navigate potential pitfalls.To expand your knowledge, engage with real estate investing websites and forums such as Bigger Pockets.