Chill out put your head down and move forward even if it’s an inch at a time .

It is recommended to tile about 6 inches ABOVE the shower head. 20 Beautiful Bathroom Designs with Pedestal Sinks (nimvo.com)https://www.google.com/url?

So the argument can be made by him that they aren't actually going in your yard at all. 4 ft on the outside of his fence is more than enough room for a walkway. 4" is how one typically indicates 4 inches.

So far it has sank about 2 inches at the worst corner.AquaGuard recommended putting in about 18 piers as one side of the 3,100sqft house needs to be jacked up.

I live in a crappy little city that's dying by inches.

Around 3 inches of it. 

The market might continue to inch upward until later this year, but in terms of dollars, how much do you stand to gain from that? 

Zinus 12 Inch Green Tea Memory Foam Mattress / CertiPUR-US Certified / Bed-in-a-Box / Pressure Relieving, Full#1 Best Seller

. **** “Home sales PLUNGE in Southern California to lowest level since 2007, as prices inch up.”

Quote from @Bruce Woodruff: Any house built in 1979 would have 4 inch, or at least 3 inch, ABS waste lines.