Finding a deal that breaks even (+/-$100) after all expenses and has a strong equity position with the value add will allow you to scale.

The cash you have on hand in liquid reserves allows you to focus on properties that "Are Not" turn key and could use a little TLC or renovation. 

To scale successfully you have to get past the point where your newly increased expenditures exceed your increased revenue; past the point where your ROI allows you to “break even” on your investment, and past the point where the ROI is worth the increased risk, the increased aggravation, time, and “lifestyle” change, and past the point where you can step back from “operations” and concentrate on management.  

It would allow Airbnb to screw both hosts and guests (assuming airbnb is the ota chosen).  

In the case where those assets did not cover the costs for the line, would that lender also have a clawback clause that allows them to claw at other assets?

You'll probably need a co-borrower and someone to gift the down payment.There's a Conventional loan (FNMA family opportunity loan) that allows your parents to purchase a home for you (and potentially roommates) to rent while you're still in college.

Negative $700/month doesn't put a dent into our household free cash flow and that allows us to buy properties that appreciate rather than cash flow. 

They’ll check if your property, zoned R5, allows a curb cut and ensure it meets zoning regulations.

Our pet deposit is non-refundable which is what I generally would recommend (assuming your state and local laws allow that).

You might add Cargo Containers if allowed.