Banks for lending purposes figure in 5% cost for loss of income yearly on rental properties. at least that's what mine had as average factored in on loan application.. didn't matter that I had had 100% occupancy with no income loss for 3 years on that property the bank still factored it in . 

Then, must wait while remarketing the home, go through the application process, and hope this person pays on time and takes care of the home.

For example: "All payments received shall be first applied to outstanding late fees and charges in any order as determined by landlord prior to the application of such payment to rent." or something like that. 

I am a software engineer/web developer based in the KC area.

The lease option isn't for everyone and won't be applicable on every property for every property owner or tenant. 

Our next 5-year short-term goals are:CALIFORNIA  MULTI-UNIT APARTMENT:Prioritize cosmetic/capital improvements for the CA propertyIncrease Rents to Market Rates for maximum cash-flowExplore web-based Property Management/Payment System/Security Cameras Software Tools/Smartphone drivenEstablish a CA LLC Operating Structure to protect liability/assetsIncrease our HELOC Line and maximize equity in CA propertyDevelop and improve GM Maintenance partnerships I can trust for an out-of-state remote until we decide to contract a reputable Property Management company.  

She is a 50 or so years old who would afford a 100% or the rent , she has indicated in her application that her daughter (30ish) and granddaughter (11) will be living with her, they are under the occupant section of the application.This lady has a clean record, good credit score and stable job with the county public school system. 

It's older, but still applicable https://www.amazon.com/Housewise-Womans-Buying-Renovating-Estate/dp/0060971649/ref=sr_1_1?

Fortunately, I have a wealth account at my bank, told them the story, and they told me to submit the loan application to them, and they'll refi'd me, or give me a new mortgage without all this fuss.

Also, please continue to share your knowledge about how to start the application process to find a tenant after listing a property up for rent.