Show me the room layout, names, and basic dimensions, hire a good photographer that understands "flow," and you're good.  

Most houses were built between 1960 and 1990, and many unlock a lot of value with a bit of TLC. 

And you'll unlock all of the equity relatively pain free as @Joshua Ferrari said.But where it could get potentially very interesting for you is that your replacement property could be a multi family of 2-4 units. 

You’re also unlocking the possibility of future deals with the same lender.

@Noel Felix III, consider dropping the rental rate, hire a professional real estate photographer to photo your listing to increase the marketability.

I just accepted your colleague request, which I believe is what "unlocks" my contact info.  

Consider these professional home photography benefits: 98% of buyers who searched online for homes reported that photographs were one of the most helpful tools in their search.

I've been a real estate photographer for a year now and each day I see incredible opportunities slip me by because I don't know how to go about taking advantage of them.

3) What should I photograph while I'm there to up the value of the property to investors?

I've been a photographer for the past 12 years and I'm looking to change paths and move into investing in real estate.