But a lot of these issues could have been avoided if I just had more experience.All, this to say, I want to continue investing in Real Estate but the pace I wish to do that cannot be directly proportional to the experience I gain.

The property is a beautifully proportioned rectangle with a broad sided road frontage with power ready to go.

Still, they're grappling with the fact that emergency responder calls from STR guests is out of proportion to their actual numbers.

(And it should also therefore be based upon the 'added value' CONTRIBUTION... in proportion to at least, their increased BOTTOM LINE.

This likely means your late fee is too low in proportion to rent. 

You get to proportionally write-off the interest anyway, so why does it matter?

The price is proportional to HVAC unit T(Ton) capacity and how big the house is.

There are not a high proportion of curated or themed spaces on the coast.

Several methods come to mind for the ADU.   1) a regular or periodically adjusted flat fee (based on an estimated usage); 2) factored into the rent (essentially the same as a flat fee); 3) percentage proportionally based on sqft. 

CoCR measures the proportion of income received from a rental property in a year to the amount of cash invested in the property over the same period (one year, or 12 months).