There could be many, but usually the main issues that could break the deal would be Foundation, Plumbing, electrical issues where it could be costly to repair the property @Carlos Valencia @Albert Bui

Hey Casey, No real way to tap into the equity on your home until you have completed it.

The 5% down programs help get them into the deal but they need a plan for what comes next. 

We just had a tenant move into one of our apartments July 1.

I'd reach out to a lender in your area or the area you're interested in investing in to get a game plan together.

Thank you @David RamirezI have been looking into Real Estate Investment Associations in my area to come across other like minded investors for better exposure.

Typically I would account for the cost to turn a unit into the expense line items.

Funny, I was just going to look into Pittsburgh today as a potential new market for me.

Checking in to see how you handled this?

I would also consider trying to find a way to divert the water coming into your house.