[Piotrsko]

Not only old toilets but old style sinks and pedestals. Easier to find a plumbing company and ask them. Habitat has gotten proud of their stuff and are starting to want new prices for their used items. They do have good prices on odd lots of fired ceramic flooring in 10 or so pieces.

Concrete teacher at old work place has a side hustle of making countertops. He uses 6000 ksi bag concrete, glass mesh reinforcement, couple of modifiers, and never pours one less than 3" thick. He also has a terrazzo floor grinder/ polisher for those odd requirements.