From high gas costs and park admission fares to lodging and the price of eating out every night, the expenses can add up quickly. But at the same time, it's very possible to do road trips cheaply and efficiently. Without the headache of worrying about how much money you're leaking, you can enjoy the open road a whole lot more. Here's how to save money on a road trip.

1. Prepare Your Budget, Route, and Packing List in Advance

If you want to save money on a road trip, be sure you're ready to go. Try to count up all your expenses before you hit the road and create a budget. It's also a good idea to plan your route in advance so you don't end up taking unnecessary, gas-guzzling detours. And finally, be sure to pack in advance so you don't find yourself having to buy tons of things you forgot along the way.

2. Book Cheap Accommodations — Or Try Camping

All those motel rooms can add up surprisingly quick, but camping is often cheap or free, and it's a great way to get intimate with the place you're visiting. You can check the Bureau of Land Management's website for free campsites. Freecampsite.com also provides great information on If you don't have a tent or don't want to camp every night, try booking cheap Airbnbs or booking hotels in advance, making sure to compare prices.

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If you're planning on sleeping in your car, a few tips: WalMart allows all-night parking, as do many 24-hour gyms. (Buying a membership to Planet Fitness or something like it also gives you a great place to stop, shower, and recharge while on the road).

3. Bring Food From Home

Don't go on a road trip expecting to subsist on fast food alone. You'll wind up feeling like shit, and it'll drain your pocketbook stunningly quickly. Instead, be sure to bring food from home. Consider buying a gas stove and a coffee pot for easy on-the-go meals, and make sure you bring substantial snacks to satiate midday or late-night cravings so you can avoid getting those late night Mickey D's expeditions.

Try bringing your own cooler, filling it with easy stuff for breakfast and lunch — some bread and peanut butter and jelly will go a long way. Bring your own utensils, plates, and napkins, and avoid buying bottled water by packing some big water jugs and a reusable water bottle. Alternatively, try staying at hotels or Airbnbs with kitchens so you can cook there.

4. Avoid Tolls

Apps like Google Maps and Waze point out toll locations, so be sure to avoid those to save those pennies. (If it takes you too far off route, you might have to bite the bullet and drive across that expensive bridge).

You can also save on parking fees by using sites like Parkopedia.

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5. Save on Gas

Gas can get pricy incredibly fast, so be sure that you're stopping at cheap gas stations. Free apps like GasBuddy help you find the most affordable gas prices in the area. Also, try going the speed limit on the highways — anything faster will burn through your tank. Be sure that you don't wait till you arrive at touristy locations or big cities to fill up.

6. Get a National Park Pass

All those parks can get really expensive really fast. If you're planning on visiting three or more parks, it's a great idea to get an America the Beautiful National Parks Pass. For $80 you can get into every National Park for one year.