So, communication and assignment issues, as well as not being able to explain the maintenance issues and the required work.3) Proper documentation and quality of work issues.

Your tenants cover most or all of your mortgage.

Also, clear communication with your parents about goals, risks, and expectations will also help avoid tension.

After years and years of being frustrated by how tough it is to find honest, communicative contractors, I decided to start a Handyman/contracting business.This is NOT a solicitation.My question is – What are Property Managers / STR Owners / Investors looking for when they need a handyman and how are they finding them?

You probably had a gut feeling when you first approved her, but you hoped it would work out.Stop communicating with her.

Simple answer - yes you can alter your funding source after putting it under agreement if you chose to use a hard money lender instead - i would just communicate with seller that hey I was going to use cash (assuming you have it from your heloc) and instead will finance some of it but let them know its not contingent on financing.

Here is how we usually handle situations like this: if a tenant communicates with us, we usually try to work something out with the tenant. 

Communication is easy people.

@Sonja RevellsThey usually communicate to the seller there are liens and their proceeds would be less because of the payoffs.

That plus his willingness to communicate with anyone who asks him questions and his team are very  praiseworthy.