Hoarding money is a hobby, as is clipping coupons, visiting garage sales, and being heat-seeking missiles for the best deals in town. These people don't usually fall for slick sales techniques, like fire signs do. In the long run, earth signs win by owning the most property, jewelry, and stocks and bonds, They don't lose what they accumulate. They can eschew immediate gratification and stoically live without luxuries for long stretches of time, all the while gathering up more and more money. If it gets altered or damaged, you'll never be forgiven.
Earth signs see money as security, stability, and independence.
They don't respect people who are financially irresponsible or deeply in debt. Gemini, Libra, and Aquarius. Air signs can be very eccentric about money. No matter how much cash they accumulate, they may forget to pay their bills. Practicality isn't their priority.