Lump Sum Cash: How $10,000 Can Lose Value If It Just Sits
You just received $10,000 you did not expect: a bonus, a tax refund, a small windfall. The bottom line is simple, and it comes before any product name. Put money you owe soon in checking, pay down your highest-APR debt, keep a buffer you can reach any day, and only then lock money away for yield. The order matters more than the exact split, because each step protects the next one. Here is the key figure. At the national average savings rate of 0.38% (FDIC, October 19, 2026), $10,000 earns $38 in a year. At the current Series I savings bond composite rate of 4.26% (TreasuryDirect, for bonds issued May 1 to October 31, 2026), the same $10,000 earns $426 in a year if the rate holds steady. The gap is $388, before taxes, on the same sum. Leaving the whole amount in an average account does not feel like a decision, but the arithmetic treats it as one. This post uses $10,000 as the worked example throughout, because the FDIC publishes its national averages on deposit tiers that include $10...