How much notice would you say is reasonable, considering they are kind people (despite being dirty and missing payment dates) and will have a hard time finding a place to bring their large dog.I'd given them written notice based on the rules for your area to get the process started (whether that's 30 days or some other number), and then tell them you'd be willing to work with them on the official move out date (within reason) if they need a bit more time to find a place so long as they are current on rent.

Is there a certain cost per unit I can expect to pay based on the condition of the building? 

Once we have a completed application, we verify income (by calling the employer and/or with paystubs), verify previous address history (this will show up on the credit check, we ask about any addresses that show up on the credit check but are not listed on their application), and verify identity by requesting a copy of their photo ID to make sure their info matches the application and screening reports.Next, we run credit, criminal, and eviction reports.

My next step is to call his employer/university professor and see if he's been coming into work.

Based on the limited info you provided, it looks like there is roughly $180k in Gain. 

I'm not sure what market you are based out of but we do this in Columbus OHIO and florida markets. 

The ownership and use periods do not need to be consecutive.Exceptions to the Two-Year Rule:If you're selling due to a change in employment, health reasons, or other unforeseen circumstances, you may be eligible for a reduced exclusion.In cases of unforeseen circumstances, the IRS may prorate the exclusion based on the time you spent in the home.In your situation, if you sell the property before meeting the two-year ownership and use requirement, you may not qualify for the full exclusion.

Based on the post, I'm not sure if the units are identical. 

I used to get 25- 30% net caps based on cash purchases.

My name is Cameron Gomez, and I'm a real estate investor based in Gilbert, Arizona.