Make vacating the unit a condition to close in your offer.

You may end up needing to go through the whole foreclosure process which can take a lot of time and cost a lot of money, and you may end up getting the property back in much worse condition than when you sold it, potentially with a squatter in it and months of lost rent, and in a worst case scenario you will be in a much worse position than if you had just sold it outright. 

For example a price below where I think it will sell for, attracting more Buyers, but not too low where I'm doing unnecessary work filtering out Buyers who don't understand the market conditions.

However, it's essential to ensure that the property's condition aligns with your investment goals and that you have a clear plan for any necessary renovations.Fix & Flip :Freddie Mac properties can also be suitable for fix-and-flip investments.

You are going to have to refund them 100% of the deposit when they move out because you have no idea of the condition of the home. 

What's the condition, what's rent potential, is it in appreciating or depreciating area? 

Local market economic conditions. 

We were able to create a great coworking lounge as well as build out a great entertaining space on the rooftop for stargazing, yoga, movie nights, dancing, great food, drinks and ocean and city views.It was in decent condition, just a lot of deferred maintenance, Has appreciated.

Drama..... we pull off the property return it to existing conditions and the city allows me to install the cleanout on their property in the sidewalk area. 

L&I has labled both of them as unsafe, meaning the agency found them to be "dangerous to the life, health, property or safety of the public or the occupants of the structure".