eat one's own dog food

Etymology
From, a jargon term for goods sold to customers of a company.

Verb

 * 1)  To use products or services one is selling internally, in order to understand their limitations.
 * 2)  To use or consume the economic goods or services that one is producing; to be part of a.
 * 1)  To use or consume the economic goods or services that one is producing; to be part of a.
 * 1)  To use or consume the economic goods or services that one is producing; to be part of a.
 * 1)  To use or consume the economic goods or services that one is producing; to be part of a.