However, in your case the fees are so high compared to the extract that I recommend at least looking into the HELOC. 

Would you let that goldmine to to someone else, or would you figure out a way to put a deal together to extract the gold from it?

The 140K ARV home could be ideally suited for you to owner occupy, fix up around you, cash refi extract when done.  

I realize that may not directly advance you towards your goal, but it would recapitalize you, eliminate the OO concern and allow you to extract whatever value the ADU may have added. 

Guess one thing people aren't discussing is how they extract cash out of their SDIRAs to pay for living expenses or do they just leave rent/ cash flow there and take dividends or pay a salary?

I'll be honest I'm kind of hoping someone will find a way to extract value out of my drive and relative intelligence and at the same time help me get experience.

It was tough for me to wrap my head around at the time to acquire it and dispo it shortly after and extract the value, but if the situation came up again, I would have TOTALLY taken action on the advice and bought it no problem.Now the valuation (purely spitballing) is probably close to 450-500k over a year later, vs the 350k that the seller wanted….The ultimate reason that the deal fell through ended up being because all of the bedrooms were rented individually with separate agreements and the bank required that I come up with more of a DP to satisfy their financing and I unfortunately could not… I also was a little scarred from my inexperience and working directly with those sellers in particular haha.

I intend to purchase a property with this and say in six months, refinance and extract my original money.

They have to use actual closed comparables and extract data from that. 

THEN, sit down and re-write your  plan using what you have learned about real estate and about yourself...your strengths & weaknesses...the parts of RE investing where you can create/extract the most value.By going through the process, you may decide you don't need to get your RE license, or you my decide it is essential before doing anything else.