What is the meaning of the Three of Pentacles?

Pentacles are about stuff. Money, land, property, jewels, cars--you know, stuff!

The Three of Pentacles is about doing your job and getting it checked and approved.

Pentacles are also known as coins.
This card is known as the Three of Coins.
Because Pentacles are associated with the element of "earth" this card could be called the Three of Earth.
3 of Pentacles
3 of Coins
3 of Earth