There's no magic number for everyone. But a 15% target is a good guidepost for many people, experts said.
Greg Iacurci is a Personal Finance Reporter at CNBC. He covers a range of topics including personal finance, retirement, investing, and labor market trends, with a particular interest in travel and its economic implications. Greg's work has been featured in various outlets, including NBC4 Washington, NBC DFW, and Editor & Publisher Magazine.