DoorDash and Uber Eats don't show a fixed delivery time -- they show a live prediction that updates itself repeatedly, and the model behind it is doing real engineering work.

Gift cards are protected by federal law for years. Loyalty and rewards points aren't, and companies can wipe them out overnight.

Regulation CC doesn't let banks hold your money as long as they want, it caps how long they can. Here's the real day-by-day schedule, the six exceptions that extend it, and the outer limit federal law allows.

The CARD Act gives every gift card a five-year floor. What happens after that depends on which state you're standing in.

Roughly half of FSA holders forfeit money every year, while HSA balances never expire. The difference traces back to a single line in the federal tax code.

A single word in your benefits packet decides whether your employer's 401(k) match is actually yours. Here's how cliff and graded vesting differ, and what leaving early costs.

A gas station can hold up to $175 on your card before you've filled the tank. A hotel can hold $200 a night before you've ordered room service. Here's why the placeholder outlasts the receipt.

Millions of Americans use buy now, pay later loans that have never touched a credit report. That's ending this fall, and regulators are already asking hard questions.

A federal judge voided the CFPB's $8 late-fee cap last year. This month, without much explanation, the agency reopened the file.