I like learning new things, especially for free. I was researching online about how to repair jewelry and came across a website by Esslinger, a company that sells watchmaker and jewelry supplies, explaining how-to tips for beading, identifying your birthstone, do-it-yourself jewelry, watch repair and more. This site is full of tips about gems and jewelry for the curious and frugal.
For example, here’s a video that shows how to change a watch battery:
According to the website, Esslinger has been around 90 years, which is pretty darn impressive. You can learn more from their ‘about us’ page.