Coins and cash still remain a significant part of the economy even as easy, low-contact options like tap-to-pay have risen.

Add Yahoo as a preferred source to see more of our stories on Google. Banks and credit unions often offer free coin exchange services for customers, while charging small fees for non-customers.

Forbes contributors publish independent expert analyses and insights. I share strategies for getting ahead financially and building wealth. Do you have a jar of loose changing at your house and you're ...

Banks and credit unions often offer free coin exchange services for customers, while charging small fees for non-customers. Coinstar machines charge up to 12.9 percent plus a 99-cent flat fee but are ...