With a full gut like this, I’d rather overestimate than get caught off guard mid-project.

You could walk into a property off of the MLS that was $250k and did $70k in gross rents.

If they are right, their bet will pay off. 

Since then I have located the area where they entered and sealed it off, however I'm having trouble killing the ones currently living in the attic.

Depending on her income level, she may be able to write off a portion against her income.

He was a realtor based in the Midwest (I think the greater Chicago area) and was talking about off vs. on market deals and the importance of choosing equity over cash flow. 

The one Brandon Turner wrote about doubling your portfolio every year is also good but I cant remember the name off the top of my head. 

@Cole Starin sometimes it makes sense to sell the WORST property in your portfolio.Another option is why do a LOC on the duplex, when you could just do a $100k cashout refi to pay off all your debt AND keep the property?

If there are none on the market, then look off market. 

If the land is in a suitable location, this could open up opportunities for developing 2 homes or even selling off one of the lots, which could lead to a good profit.