You already provide some of the guidance (I'd assume) on what to do and where to go, why not provide them with information to make the entire experience easier.
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Suggestions for currency exchange
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Safety precautions when traveling abroad
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Health concerns
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How to protect yourself from tourist targeted crime
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General Travel tips (carry on/checked baggage tips)
As you said, many of your competitors may offer similar information, try to come up with information that may not be as obvious but still helpful.