It's really just sick how genius this is. You can rent a DVD player if your big-ol SUV doesn't have a built-in one. Or portable DVD players can be had for as little as $75. It's worth every single penny.

You could even use a laptop with movies or kids' shows on it. Or an iPod or iPad -- basically anything that plays videos and can use headphones.

Some kids love to watch a video over and over so even a 30-minute show can get you 90 miles down the road. Or a feature-length film will be golden.

Sure a glowing screen isn't the best thing for Junior but this is a tip you can be sure even overachiever parents use.

The next tip involves some basic human needs.

Is it time for a pit stop?

Pacific Coast Highway, roadside overlook

No. 3: Make frequent stops

It is strictly forbidden by the international law of car trips to go to the bathroom in a small container inside your vehicle. Do not turn your ride into a restroom on wheels. Too gross.

Get to the nearest rest stop or gas station, where you can fill up the gas tank and bend your body out of its sitting shape.

Road-tripping is a good time to indulge in some snacks you might otherwise avoid. If you never take the kids for fast food, maybe let them have a burger and fries on the road or grab a candy bar.

Or keep it healthy by bringing some carrot sticks and sandwiches, but stop for a cold bottle of water or something to drink.

Sure you can eat and drink in the car, but it's fun to get a yummy snack or a fresh drink when you're stopped anyway.

But be careful, you don't want to see those nibbles coming back up again.

Are you prepared?

Bored girl in car

No. 2: Bring barf bags and Band-Aids

All the bumps on the road and the curves and the hills. And did you eat chicken nuggets then go on the swirly slide?

Kids and throwing up go hand in hand. It's natural, just like how kids eat paste and like to twirl in circles endlessly.

So when you're confined in a car, be prepared. Bring barf bags. And not just one either.