I do not have @Nathan Gesner's experience in doing it in large numbers for profit and for someone else.Here's some midwestern weirdness for BiggerPockets readers: my great-grandfather moved to the area and worked for Henry Clay Frick, and all my immediate family now lives here.

Apparently, Hudson has some nasty clay that causes a lot of foundation/basement issues. 

Quote from @Clay White: Hey y'all. 

Many times underground pipes burst due to age/decay, normal wear and tear, shifting clays/foundations, freezing, or because of a tree root. 

Next issue is to find Clay on the property to use for the "Core" of the dam. 

Hi - my main sewer line (clay) is nearly done for and needs an overhaul. 

Hello, My name is Clay and am just getting started with a direct mail campaign in hopes to find my first deal.

Hi @Caleb Clay.

@Clay Manship@Jeremy Z.

Then switched to a management company; Jar of Clay.