IRISH homes have an average of €2,135 in unused items lying around.
Research carried out by eBay.ie found that Irish households are hoarding unwanted items to the value of €3.1bn.
Each home is holding on to an average of 41 items that amount to just over €2,000.
The company is hosting a first-of-its-kind free event to teach Irish people how to Cash That Stash at the Little Museum of Dublin.
Experts will on hand to give advice about everything from inspiration to registration, from photography to packaging.