Read up on all the great resources here on BP on how to run the numbers. 

If you don't have a way to look at rental comps, you might want to look at that whether it be rentometer.com or a realtor/ property manager it is good to have that resource.

(he wound up calling me, I answered immediately and guided him to the cabin door in a 2-minute phone call)

Yes of course your ROI won't look as sexy on paper but it's a give & take, which you get or you'd be looking for $30k properties.For Cleveland specific research I'd check out The Ultimate Guide to Grading Cleveland Neighborhoods.

-Ability to replicate this data and relationship foundation for other markets, given time and resources-Sales, relationship building and negotiation skills-Spreadsheet of 70+ potential passive investors that I have started the warm up process for investing.

If you are not comfortable handling your side, either find a broker willing to guide you along the way, even if they take a higher percentage, or find a good buyers agent and use them instead of  getting your license until you're comfortable on your own as details matter and mistakes can be costly.    

there's a lot of resources here on that speficic topic.

We live in the Portland, Oregon area and are looking for a CPA or anyone that can guide us in the right direction.

According to this story from KXAN, "The resolution will provide resources for homeowners, many elderly and low-income families, who the city says investors prey upon to sell their homes, "through high pressure, deceptive, and/or exploitative tactics."

Try checking out the  free beginners guide