In the letter “Watch Credit Card Statements” (March ’20, pg. 24), a subscriber wrote that he handed over his credit card to a waiter in a taverna in Greece for a few minutes and later discovered that a fraudulent charge had been made during that time.

Even though an incident like that cannot be prevented, you can contact the bank that issued your credit card and request that a notification be emailed to you whenever your card is charged over a certain amount or...

In January 2019, my wife and I booked a flight from Minneapolis to Portland, Oregon, on Delta Air Lines, the first leg of a June 2019 trip to South Korea, but we got our signals crossed and double-booked — a goofy first for us — so we had to cancel two of the tickets. They were nonrefundable economy-class tickets for $310.40 each.

The usual online flight-cancellation routine levied a $200 fee for each ticket and offered a future travel voucher for the balance, just $220...

For those of you planning your first trip to India, this report provides supplemental advice based upon experiences my wife, Paula Owens, and I had on our trip. We don’t usually take tours, but India is a challenging place to visit on your own, so we ended up traveling there with Uniworld (Los Angeles, CA; 800/349-7397, www.uniworld.com), Nov. 21-Dec. 3, 2019.

These tips cover topics that were either not addressed or, more commonly, did not receive sufficient emphasis in the...