Hacker Newsnew | past | comments | ask | show | jobs | submitlogin

Good question.

- You never know when you'll have a fraud alert and a disabled card. When you're travelling overseas, even if you call ahead to notify the card company, you're a lot more likely to get a fraud alert. You know how you can get stuck on hold with your card company, lost in touch-tone hell? Well imagine that on cell phone roaming charges with a dying battery on a noisy street corner.

- You never know what will be accepted. Some machines only take chip and PIN (which is the norm in Europe and Asia, they think signing a receipt is weird), sometimes a clerk doesn't know how to do chip and sign or swipe and sign (which is universal here in the US).

- Most of all, you're in a country where you dont speak the language, the ATMs look different, you might not be able to read the signs or even have a conversation with a cab driver.

When your card gets rejected, you want to have a backup. So, two credit cards (from two different providers) and two debit cards (from two different providers).



Consider applying for YC's Fall 2026 batch! Applications are open till July 27.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: