Installing a GFI at the top of each circuit is ridiculously easy, as you say.

The floors in the unit are tile and vinyl planking throughout.Based on the above, the applications were denied.  

Insulate, add electrical, mini-split ac, and possibly plumbing, as desired, drywall, tape and paint, put built-in cab's on one side if you want, hang the tv, speakers, etc, install bi-fold/multi-fold doors on the side leading to a patio, and replace the garage door with an insulated one keeping the track and removing the motor, or install a carriage type garage door into the existing garage opening.

Here is the specific language from Assembly Bill No. 68:a local agency, special district, or water corporation shall not require the applicant to install a new or separate utility connection directly between the accessory dwelling unit and the utility or impose a related connection fee or capacity charge, unless the accessory dwelling unit was constructed with a new single-family home.If the Planning Department is telling you that you need separate utilities and you're adding an ADU to a lot with an existing SFR, refer them to the above language from AB 68.

I added more cabinets in the kitchenI added a handrail to steps in the rearI had new cement poured on sidewalk, porch and drivewayI added new storm doors to all 3 doorsI added new cordless, faux wood blinds throughout home (Home Depot installed)I repainted and repaired detached garage Lessons learned?

As these new nvidia GPU's get ordered, built, shipped, installed, and brought online.

Everything should be in writing, down to the type and name of the kitchen cabinet handles, the tile name/brand/color, the texture of drywall,....everything that will be a part of this project must be in writing attached to the contract and signed by both parties.

., credit cards, installment loans, mortgages) can positively impact your score.

I am thinking about installing submeters for the property.

To answer your question, it is possible, and quite costly, to have individual meters installed by the city.