They are staying in their current place from past 8 months and their current landlord gave good reference of paying rent on time,  but I don't see a reliable source of income to make my decision.Any thoughts?

But if you get to the point where you're negotiating, then you're in a good spot.You can use list source to find and generate list but just know, mailing has 1% response rate.

These are the outlets you typically put near a water source such as in the kitchen or a bathroom in case the outlet or what is plugged into it gets wet it trips the outlet and cuts off the electrical supply so the person is not electrocuted.

dont take on debt until you are gainfully employed or have a consistent source of income.. 

Money coming in and out of bank accounts has to be sourced and just because it is coming into your business account, does not mean they will count it towards your income.

I have experience in renovations and managment while he's primarily just the source of financing. 

I agree that learning the art of sourcing off-market opportunities will serve you very well--both now, and in the future...whether you perceive the market to be competitive or not. 

I would not refinance properties, I would look for other sources of funding such as savings, other people's money, study Brandon Turner. 

They will source the best loans for you, and their loan origination fee of 1% can be rolled into your loan or paid upfront.Down payment can be sourced from personal funds, family, friends, etc.

Eventually, once I can make real estate investing my main source of income, I'll probably move to a better tax state.