What is the worst thing to forget when leaving for vacation?

The most obvious answer is your own kids:

But after that, here's the top 5 worst things to leave at home when going on vacation:

Credit Card/Money

Nothing worse than putting your hand into your pocket to pay for all the duty free goods at the airport when you realize you have no money on you. Bad way to start a vacation.

Passports

There's nothing like missing your flight because you forgot your passports at home.

Interestingly, this guy was allowed to cross the US-Canada border with a photo of his passport on his iPad. No fair!

Phone

Speaking of technology, leaving your phone at home is also something most people would regret. Yes, you want to relax and get away from it all.. But seriously? No phone?!?

Charger

This is literally an extension of the previous item. Leaving for the holidays without a charger means you will be seeing a whole lot of this on your travels:

Keys

Often, people don't even realize they've forgotten their keys until they get back home at 2am in the morning: Cold and tired and just wanting to get back home and into bed.

To get someone to take care of your pets and mail collection.

Credit cards, wallet, cellphone, laptop charger... toothbrush..???