you can use a heat treatment but the best seems to be a ultraviolet light disinfectorit kills everything and that way you are not using chemicals or have any missesthese units you can rent they are not cheap but it does the job and it saves you from the exterminator feesthey are called true d uvthey use them in health care and hospitalsenjoy

House hack into a 2-4 unit to live super cheap or for free to save even more for the next buy and hold. 

The homeowner/investor wants a service as cheap as possible, at the same time as the contractor wants to accomplish the service as quickly and efficiently as possible.

Sounds like you are rediscovering the truth in that old axiom: Fast, Quality, Cheap ... pick two.

Plus, it is not like these new apartments are going to be cheap to rent.

The way I see it, a Buyer could put the cheap flooring down, fresh paint and could flip it for a fast and easy profit OR just rent it out.

Property values are still pretty cheap but it is the fastest appreciating zip code in the area.  

So I've been seeking a flip property here in NWA and I'm having trouble with finding a cheap property that I can actually make a profit on.

This is generally the agent who has a lot of little CHEAP homes for sale.  

Materials aren't cheap. 15k for the whole job isn't an unusual rate in Boston, I am sure he is making a fair profit.I'd be careful firing him at this stage of the rebuild, especially if he's performed according to the contract you both signed.