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99 Life Pro Tips That Will Change How You Do Everything

List RulesWhich pro-tip's your favorite? Vote it up and let the Ranker community decide what's most useful.

Life doesn't come with an instruction book, and yet some people seem to have it all figured it out. Luckily, they're willing to share their expertise with the rest of us. This collection of life pro tips and tricks covers everything from boiling water to helping your parents program the dadgum DVR. Do you know how to use marjoram? How about how to remove Sharpie from a dry erase board?

Some of these great life hacks seem intuitive, but they're not always the first solutions to come to mind when problems arise. Others are so simple and obvious that, well gosh, why didn't I think of that? Vote up the most useful LPTs, and be sure to visit the LifeProTips subreddit for more genius ideas to make your life run more smoothly.
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    Before heading to a busy venue (amusement park, sports arena), take a good picture of your children. If they get lost, a photo provides exact details of what they they look like and what they are wearing. 

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    When you call 911, start by saying the service you need and your address. Once the operator has those details, he can dispatch the appropriate people while you give more info.

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    If you're dropping somebody off at their home, make sure that they are able to get in before you drive away.

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    Keep blankets, water, non-perishable snacks, and a small tool kit in your vehicle in case you have any car troubles on the road.

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    If you are in a large crowd and need someone to call 911, explicitly point to someone and say, "you, call 911." This will prevent the "bystander effect."

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    Always take pictures of your apartment the day you move in and the day you move out.

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    If you see a deer crossing the road, assume other deer may immediately follow. Drive with caution.

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    Save the job description when you start a new job. It makes updating your resume a lot easier.

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    When apartment / house hunting, check your phone signal.

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    If you have to pay a company to work for them, it's a scam. Walk away.

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    When composing a professional e-mail, do not put in the recipient's e-mail address until you have typed the entire e-mail.

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    When dividing up food to freeze in ziploc bags, flatten it out. It'll thaw faster when you need it.

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    When checking reviews online on sites like amazon.com, Also check reviews sorted by most recent date first. Some merchants will start selling a lower quality version of the product after reaching a high ranking.

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    When responding to advice, say "you're right" instead of "i know." It shows that you're actually listening to someone, that you care about what they say, and give them credit for trying to help.

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    If you want to endear someone to you quickly, ask them for advice. Doesn't matter what on; just asking for their opinion on anything shows that you respect them and value their input.

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    When studying a subject, pretend that you'll have to teach the material you're studying.

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    If your roommate's cell phone alarm is going off and he is not in the room, call the phone. It will disable the alarm.

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    When an elderly person can't hear you, speak deeper, not louder.

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    If you buy something on amazon and the price goes down within 30 days of your purchase, you can e-mail them and they will refund how much the price went down.

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    If a baby / toddler appears to hurt himself, and he looks to you, always meet his gaze and smile

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    When showing people pictures on your phone, zoom in a little bit so they can't easily swipe to other pictures.

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    Sign your signature in blue ink so that you distinguish an original document from a copy.

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    When checking into a hotel in an area you don't know, grab a business card so you can show cab drivers the address.

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    Before cleaning your microwave, run it for 5-10 minutes with a bowl of water in it to loosen up the dried out gunk.

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    When you want to cross words out you don't want to be legible, instead of scribbling over them, write random letters and words over the original.