It would definitely be much easier (and probably about the same on total cost) to just cashout refi what funds you might need from you STRs and then park then cash in MMAs or 30 day treasuries until you need them.

In addition, I live with my parents so even househacking will still cost me over $400 a month, which is what I pay to stay with my parents.

Hoping for good neighborhood, good schools to attract low-maintenance family tenants. 

@Dan Creed, this is honestly in line with my general costs, but it will also depend on finish level.  

In addition, I live with my parents so even househacking will still cost me over $400 a month, which is what I pay to stay with my parents. 

Take into consideration all closing cost, realtor fees, repairs etc.

At that time it was an area with homes that move relatively quickly and a low enough price point with the rates to make it appealing to buyers.

The app cannot guarantee a consumer is going to get this low rate.

The Math did not add-up for me in Hagerstown after analyzing many deals because rent price overall are low.

If you borrow 100% of the purchase and rehab costs your ROI will be infinite and it doesn't matter if your profit is $100 or $100k.