As inflation and interest rates rise, many Americans are trying to save more — but keeping too much cash in low-interest accounts could be quietly costing them. Be Aware: Fidelity Says This Is a Surprising Risk of Holding Too Much Cash — Do You Have Too Much? Read Next: 9 Low-Effort Ways To Make Passive Income (You Can Start This Week) “Cash parked in low-yield savings or in low-yield checking accounts effectively erodes in real value,” said Gabe Krajieck, CEO of Kasasa, a financial services and tech prov ...