Cartoon of a wary traveler with a suitcase standing beside a large blank billboard.

This summer’s biggest points swindle

Travel websites are asking you to do something strange this summer. They want you to write to Congress and beg lawmakers not to lower your credit card fees. Sites that present themselves as working for consumers are running petition drives against the Credit Card Competition Act, a bipartisan bill that would require the biggest banks to let more than one network process your credit card. The pitch is always some version of protect your rewards, and there is usually a form: fill in your name and ZIP code, and a prewritten letter goes to your representatives. What those drives tend not to mention is who else is making the same argument. The banks run a campaign of their own through their trade group, and the airlines fund another. Swipe fees run roughly 2 to 3 percent of every purchase, merchants build them into their prices, and you pay them whether you notice or not.

The dangers of dynamic currency conversion

Processing a credit card charge for overseas purchases used to be pretty simple. You swiped your card while on vacation, your bank changed the money from pesos or euros into greenbacks, and the amount you’d spent appeared on your bill. Maybe you paid a small conversion fee, but you also got a competitive exchange rate.