I’m also considering advising my tenant to look into Section 8 assistance, as it could help support their financial situation while allowing me to adjust the rent closer to market levels.

I maintain even break even on valuation (which is rare in SF Zoned areas), the ADU has big disadvantages versus new property acquisition including financing, level of effort, rent control, prop tax being based on cost rather than value added, length of time including length of time from first expenditures to first income, reduction of something from existing unit (in your case existing home lost its garage).Did you see starting next year Mf can add an ADU per unit up to 8 units without any affordable housing concessions?

@Chris May,"This statement represents a base level lack of understanding as to what amortization is.

The tenants are currently in court with a title dispute so the house would have to be paid for cash only.I would like to convert it to a primary residence and turn the garden level into a separate two bedroom apartment for use as an in law suite.

Fannie/Freddie both allow up to 90% financing. https://singlefamily.fanniemae.com/media/20786/displayHOWEVER, the  loan level pricing adjustments are HUGE on these loans: So, the rate and costs will be very high. 

Congratulations on earning your broker license and taking your real estate journey to the next level!

BP is free and as a next level above, you can join any one of the big national RE brokerages that have much bigger networks, better education, and provide access to legitimate lenders instead of private lenders who may or may not be legit. 

What is the appropriate level of cleanliness to maintain during project work?

- At a high level often people set goals that don’t align with their overall life goals.

How did you learn to build that level of trust so early in your career?