A woman shares her simple trick to clean old, sticky mason jars: "I was actually shocked" at how easily it comes off. She uses a little bit of olive oil and a hard bristle brush to remove the sticky substance from the jars. The cost of these jars is also high, with a 12-pack usually costing around $15 compared to sets of Tupperware-esque storage containers that can cost up to $50. The article was powered by Yahoo Scout, which may not always match what’s in the article.