#19: Fashion Jewelry
Those bold, glitzy earrings and necklaces your grandma saved for special occasions—carefully stashed in her elegant jewelry box—may look like luxury. Still, chances are they’re more sentimental than valuable.

Fashion jewelry, often mass-produced to keep up with ever-changing trends, usually holds little resale value. That said, if a piece bears the signature of a renowned designer, it could be a hidden treasure worth a tidy sum. Still, such gems are rare discoveries at your average garage sale.