While I do not personally have a contact in KC, I'd recommend using BiggerPockets' Find an Agent tool.Its a FREE service for BP members like yourself who are looking to expand your network and find local experts.Here, you'll be connected with an investor-friendly with knowledge/experience in your desired location(s). 

DM me if interested in getting a personalized game plan.

Personal and Family considerations to although that to happen ..

Based on the income of the property no your personal income. 

BUT you can skip the income piece, as "qualifying" will be based on rents received, not your personal income.

DSCR loans are a great option for anyone that doesn't fit the conventional "box" - DTI isn't a factor, no employment info needed, no W2s, paystubs, tax returns, 1099s, etc. needed, you can close in an LLC if you want to and many lenders don't report to personal credit, so those loans won't affect your credit score/DTI for any conventional financing you might pursue in the future.

However from my observations the squatter occupied properties tend to be in lower barrier markets and I wouldn't personally want to spend my time and effort trying to create value in such neighborhoods.

I'd personally wouldn't refi it.

You'd have to find a person familiar with MN tax laws to address how the CA-sourced income would be taxed on the MN returns.As to the LLP/LLC question, LLPs require a general partner, which usually has unlimited liability. 

I am a handy person who would be able to perform much of the home renovation myself.