New flooring, new kitchen with quartz countertops, new bathroom with new plumbing, added in unit washer and dryer, added better than standard rehab kitchen appliances, converted the place to 200amps from original 100 amps, new plumbing and pipes, etc.The house has appreciated to about 220,000 in value comparing it to other similar properties that recently sold in the complex.

If that combined lump sum is enough to have a major negative impact on your parents lives if it were to be lost/diminished significantly then you might want to reconsider taking this idea any further.

I have about $6K in liquid cash available to me and I am planning on liquidating a combination of retirement accounts from my previous employers.

Purchase price: $150,000 SFH 3 bdrm 2 bath, pets allowed, private fenced in yard, washer/dryer/refrigerator/AC wall unit provided What made you interested in investing in this type of deal?

I'd move on instead of trying to find the secret combination of factors, which probably doesn't exist.

It's a combination of cash flow and personal preference.

There are three types of funding, all 3 defined on how you pay for them, and how you use/spend them...thus what the cost of each are.1 - Cash:  No cost, one use...but if your plan is correctly laid out, you should have an infinite number of uses of your cash.2 - Leverage/Debt:  Cost to you, but you get only one use per cost.3 - Cash-like substance:  This combines #1 and #2. 

Power washed and painted exterior, removed trees, new windows, painted front door, updated garage door and back door, added door entry from garage into house, new paint throughout the house, renovated 2 bathrooms (one of these bathrooms was a 1/2 bath that we converted into a full bath by combining the adjoining closet and rerouting the plumbing), added a kitchenette/kitchen in the basement.

Peak in KC has a 30 year non recourse product with 40 to 50% down.. primarily aimed at foreign investors rates 8 to 10% with usually about 10 points.. or 4 to 5k and no junk fees as we know every lender needs to make 4 to 5k a file in either origination fee's or junk fees and a combination of all of those .. borrowers many times get focused on points then end up with 3k of junk fee's on the HUD and then like to say hey I got 1 point  LOL  you simply cant stay in business as a lender if your not making at least 4 to 5k a file.. you will go broke. 

My thoughts would be to combine the traditional business of storage or mixed use storage and business or traditional storage with creating a delivery service similar to Clutter (less advanced of course).