My ultimate goal is to break free from my desk job for the simple reason of freedom and spending more time with my family. 

It is a very simple spreadsheet, which we just pass over to our accountant.

Simple.

I had a bit better of an equity capture going in and wrote a lease option on it.  

I would instead opt for a cash out refi- I worked at one of the big banks here in the U.S. and when it comes to the different options of tapping into your homes' equity I would typically advise to avoid HELOCs due to it being a second mortgage you'd have to account for as opposed to paying off the first and continuing to hold a single loan for primary with refi- while capturing (typically) up to ~80% LTV

I did some simple things (painted the purple columns, cleaned up the yard and swept the parking lot)How did you finance this deal?

Whole-tailing is a simple rehab that covers basics such as carpet and paint.

However, one of your biggest advantages is that your property tax basis is lower relative to current investors, so you have structural margin to capture going forward.

Doing the math in simple form he earned $40,000 per year on his money, or 200% every year.

You can't do anything simple to turn a 1/1 into a duplex.