You must determine what the property is legally and that will determine your loan options, in other words, you can't call a condo that you purchase four units of a fourplex just because you want it to be a fourplex. 

Step 1 is to determine your long term "why" for yourself and your family.

Then, after fixing it up you get an appraiser out there to determine the properties new worth.

Once you determine that you can start thinking about what house fits your crietra. 

I feel the answer to this question is determined by how long you anticipate owning this property. 

For me,  I've defined  3 metrics that I primarily use to determine if a property is a good deal.

Once you have narrowed down your markets, a qualified agent can help you determine ROI on potential properties. 

Need to determine what to run through my LLC and what to run through my personal name.

How do I determine this is a good deal?

How does one go about determining the price increase?