I use this property and another one as my business line of credit. 

However, co-living allows you to acquire properties with as little as 0%-5% down, drastically reducing the amount of cash required.Instead of needing $100K+ to buy a rental, a co-living strategy lets you start with a fraction of the cost while achieving higher returns.3.

This can put a significant strain on your finances and cash flowThey also often require a large down payment themselves and may have a strict repayment schedule that can be difficult to meet, especially if there are unforeseen circumstances or delays in renting the property or generating income from itIn addition, relying on this type of loan may expose you to higher financial stress and the possibility of default if you are unable to meet your loan obligationsThe final decision depends on your overall financial situation, risk tolerance, and your ability to manage the associated costs and obligations

That could make financing the rehab a little smoother.3.FHA 203(k): If the rehab costs and scope fit within the FHA guidelines, refinancing into a 203(k) loan could work.

As far as LLC structures and tax strategies you should find a CPA who has experience with real estate and small business.  

I would strongly consider building equity to make a stronger down payment and further decrease your monthly cost. 

Determine Your BudgetSet a Realistic Budget: Consider the cost of tuition, living expenses, and your financial situation.Mortgage vs.

While technically business purpose loans, these will still basically be 30yr (or whatever tenor) fixed rate mortgages.

The new people don't know and they are the business target.

Is the mid term rental business that you have a 'rental arbitrage' business?