Under a mattress, in the freezer: Why so many are hiding cash

Under a mattress, in the freezer: Why so many are hiding cash
While banks are still the go-to solution for most consumers, 29 percent say they're keeping at least some savings in cash bills and coins, according to a new survey of 1,820 adults from American Express. Of those holding cash savings, 53 percent are hiding it in a secret location.

Millennials are even more apt than other generations to go the mattress or freezer route, with 67 percent of those saving cash saying that they hide it outside a bank account.

"We've long asked people about how they've planned to keep their savings, and for the past few years, we've seen an uptick in people saving cash," said Kimberly Litt, public affairs manager at American Express.