We've seen them literally burrow through a shingle to where you could see the attic interior from the ridgeline.

Fast and easy communication, clear and concise proposal with minimal interruptions and no interior work!

But I do want to know who they are and a quote from them as well.For example: I'll point out what color paint I want the interior walls, trim/cabinets/doors etc.

That way, all of our locks are in the same app and have the same functionality.For exterior deadbolt locks (front door, garage door), we used this:https://a.co/d/2SFMNcy For normal interior locks (bedroom), we used something like this (the ones we have are currently unavailable, but this has similar capabilities):https://a.co/d/8C6nYenYou can create codes from anywhere without the locks having internet connection because it can create them using an offline algorithm.

4 plex style buildings with interior common area where entries are located.  2 down 2 up.Upstairs tenant, placed by HOA vice president.  

Re-painting interior walls when a tenant wants it is not your responsibility.Does your lease allow tenants to paint?

The main advantage I have is my good friend is extremely talented at interior design, carpentry, plumbing, etc.

I am completing interior rehab work on a duplex, including completed renovated kitchens.

I would definitely show comps and clear the interior for the inspector to go through easily 

It's already finished, so I'm assuming one of the main jobs needing to be done is building the interior stairs.