They would fit down in the ground, and be covered with a plastic or metal cover that was flush with the floor.

It'll be metallic accent walls and pickled shiplap all over again.We'll have more people wholly ignorant of the nature of DWV plumbing who will insist on moving toilets from one side of the bathroom to another because "the light would be so much better" and so would "the harmonious energy of the room."

It had been converted to a metal shop and the shop had closed.

We installed a new metal roof which we will be finishing up this weekend.

Go to HD and look up "tile edge trim" for metal edging options from Custom, they're slightly better looking IMO than what Schluter pits out. 

What kind of construction (metal kit, pole barn, cement block, other).

The tub has a small leak, but I believe the leak is from the metal drain that has deteriorated and there's a piece of it missing that forms the seal.

It can go anywhere from $150 to $350 per SF just on the glass and metal.

BiggerPockets is such a treasure chest of information. 

There are many  groups around the Treasure Valley to network with investors.