@Chris Martin I do have access to my state's standard form, and I'm thinking I'll just use that!

Then ended up having to pour a 12" concrete wall against the original block, adding and additional $7000 to my rehab. 

I am also a Real Estate agent with Keller Williams with access to the entire market. 

I would say within the last 15 years this has been the trend, on a block there are typically 2 or 3 homes being rebuilt.

My broker is an investor as well, but he gave me access to the MLS...... looking for tips for criteria to narrow down the search results.

This would be your building block for a larger complex.Call around to Property Managers and have them tell you what they think of the location and the property. 

You don't want to be the most expensive house on the block because you will not have good comps to help with your property valuation.If you are talking about a rental things are a bit different, you really should not go overboard  but find what matches expectations for similar rentals you are trying match in your rent price point.

I'm not sure what access they give to non pro/plus members. 

You need to understand your market, controll your contractors with good contracts, have access to good financing, and know your after repaired value. 

Is it the MLS (which I heard you need to be a real estate agent to access)?