Alamo charged me for two extra days — after I returned my car and flew home

When Rachel Lipnoski returns her Alamo car rental and dashes off to catch her flight home, she neglects to hold on to her receipt. This becomes an expensive problem when days later she receives an updated bill — one that charges her for two extra days.

Didn’t buy trip insurance? You might still have it

Sheri Schmidt’s husband suffers a massive stroke before their non-refundable flight to Brazil. Because she didn’t purchase trip insurance, JustFly informs her that a refund is not possible and that there will be hefty change fees associated with these tickets. But hold on — could Schmidt have the protection of an insurance policy after all?

Here’s why you should never report a credit card charge as fraudulent when it isn’t

Philip Paul comes down with a serious case of buyer’s remorse after he signs a contract with the Palladium Travel Club. Surprisingly, the company agrees to release him from the deal — which makes Paul’s next move so perplexing.

JustFly charged me $500 for seat assignments — after I paid for my tickets

When Anne Lederhos needed to purchase air tickets between Boston and Rapid City, S.D., she visited JustFly.com, made a reservation and paid $1,575 for tickets on American Airlines. But when she received her credit card bill, there was also a separate charge for $578, listed as “seat assignments.”

Warning: When buying a $4,000 mini pig, do not use your debit card

When Meghan Robinson bought a piglet named Peaches, she was devastated when the little creature was deemed unhealthy and the sale fell through. But now she’s not only missing Peaches, but the breeder is refusing to refund the $4,000 Robinson paid for her.

Your credit card’s “free” trip insurance may not offer the protection you need

When Monique Tubb’s adult daughter was injured while vacationing in Colorado, she canceled the rest of her trip and flew home immediately. Tubb was confident that her UnitedPlus Explorer card’s complimentary trip insurance would cover all the additional expenses. It didn’t. And now she wants to know why her full claim was not paid.

I was detained in Abu Dhabi. Shouldn’t American pay my expenses?

Caroline Martorano was on her way back to the U.S. from Sri Lanka, and during a stopover in Abu Dhabi, she says she was detained for not being appropriately dressed, causing her to miss her connecting flight. She also says her detainment was American Airlines’ fault because it tried to charge a canceled credit card.

Get smart. Sign up for the newsletter.