The house is a large, 3 story house and on the 3rd floor in one of the bedrooms the house has a noticeable slope from about 12 inches out towards the wall.

You gotta inch in from each angle until you hit the target head on.

They say the windshield on a car is six feet wide and the rear view mirror is 6 inches wide for a reason. 

It is currently the 13 inch TV.

Make sure to walk every inch of the home for soft spots and to find hidden leaks. 

This adds I believe 1.5 inches from ceiling.Primary issue: Footfalls (just walking around would be hard for someone to focus downstairs)- 5/8" gyp rock affixed to the subfloor for footfall dampening w/green glue- Rockwool for high noise/voice attenuation- Sound channel clips for air separation- And to go further: double sheetrock with green glue.- Custom boxes around each of the light cans ($175 each) OR switching to wall sconcesThe primary cost is the sheetrocking labor itself, as It's not just the ceiling replacement, it's aligning the new ceiling texture with the walls.Given there is a stairwell from main floor downstairs, he recommended two solidcore doors, which parts + labor would be $2k each.What will we end up doing?

I already knew my tenants were going to be bad, I knew to take out everything I dont need, and I know that is you give a tenant and inch they will try to take a mile.The book was not professionally editied and it looks to be written by someone without a high school education.

So just consider that and let your gut inch you around a little.3)  It sounds like you are ready to put down around 9k on that deal and you are almost at ease with your estimates. 

The crack raised one part of the driveway more than 2 inches. 

16x28 slab in the back of the property that I "Fixed" now its a 8 inch monolithic slab with rebar and 1/8th inch wire for a foundation for a Attachable ma and pa unit.