I think I’m just going to factor it in and make an offer

They vary a good bit state to state and they do have an impact on your returns, but really you just have to factor it into your equations of whether or not something is a good deal. 

What are the economic factors?

Zig Zigler once said, “Honesty and integrity are absolutely essential for success in life – in all areas of life.”

I think when purchasing multifamily there are many important factors: population growth, job growth, landlord or tenant friendly city or state, vacancy trends, rent growth trends, etc.  

There are many factors that play on an individual's success, the one constant factor that is always present is education and not the crap gurus dish out but formal training.

There is also no factors for vacancy or repairs but from just a simple gross figure your about $200 per month. 

They integrate county data, trustee sales records, current rental properties and rates, etc., for their customers using a unified (normalized) data schema, unlike each regional MLS.

Financing will also be a huge determining factor in the overall success of your investment.If you can just provide slightly more background on what exactly it is you aim to accomplish and what you have to work with, I can give you a little better idea of how that coincides with the market out here and show you how the financials are likely to break down, given your particular circumstances.  

Talk to some local property managers and factor in the turnover and vacancy rate.