Millions of TikTok users were captivated by the 100-envelope money-saving. There’s a good reason for that. Americans have a median savings account balance of $1,200, according to a Motley Fool survey.

From budgeting hacks to "girl math," TikTok is full of personal finance trends. One viral trend, the “100 envelope challenge,” gamifies saving money using cash and envelopes. Buzz60’s Maria Mercedes ...

Savings challenges are everywhere online, but not all of them work the same way—or for everyone. Experts say the best challenges are the ones that fit your lifestyle and help turn saving into a habit, ...