Even a garage conversion will be significantly more than $100k. 

I also called Maricopa county office and they mentioned that ususally whenever legal service is done, the documents are sent to the address of the person/business first even if they are out of state,  before they are sent to the statutory agent.

Your landlord isn't going to pay any after hours, or weekend repair rates, and so you are most likely going to have to pay for those out of your own pocket, even though it's technically not your responsibility. 

Maybe selling one of those fully-owned condos and rolling the profits into a multi-family property that brings in even more rental income.A HELOC could give you flexibility since you can draw from it as needed for new investments or improvements to your current properties. 

., and even if I'm working at the front of, or side of, her unit.

2nd question...so even though you're not doing an initial purchase and trying to take out the equity in the property, does a dscr really make the most sense or does something like a heloc do better?  

Even though it's one loan (and if you use FHA financing a low interest loan at that) FHA parameters view it as you owning two properties - one your primary and one an investment property.When you sell, if you have met the residency requirements of the primary side you will get that gain tax free up to the 250/500K limits. 

And, persons with "cash" income are not even considered by me.

This allowed them to grow their RV park portfolio even further.In determining how to select a cost segregation company to work with, here is an article that may help.

Do I have to also write down each task in the moment, or can I go back over a week or even a month and flesh out the details in broader strokes?