Toilet should move to the shower outlet position, sink should shrink down to a 16-inch vanity, or even better, a wall-mounted faucet and a vessel sink on a pretty little custom vanity.The key here is to convince the buyer that "it's small but it's NICE."

If it had to be cut, I’d dig down 6 inches and make my cut there.  

Try Paul at Ivory Pillar Properties, Inc   He has worked with several of my flip worthy clients and done an excellent job.   

A 4 inch well?

Now a secret storage space a few inches deep the entire width of a wall can certainly exist unknown.

Let them become homeowners and then they can drive as many 4 inch steel bolts into their own shingles & decking as they like. 

It opens with the center being on Raleigh, but Fayetteville is straight down a few inches.

Give them an inch they will take a mile.

I also read that are drywall should not touch the wall and have a 1/8 inch Gap around the whole ceiling permit vibration sound.

Our tenants were good about removing snow, but the house up north, that area got 228 inch of snow over the winter.