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What's the 2-minute timer on mobile Deutsche Bahn tickets?
48 votes

@dunni's answer describes the attack that this security measure attempts to mitgate. A comment on his answer claims that this is "security theatre"; I describe in this answer (because this explanation ...

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Book one night on Airbnb, then make a deal with the host to book directly. Any downsides?
6 votes

Keep in mind that if you e-mail the agent for the property (owner or otherwise) saying, "I'll give you $1000 to stay here from June 1st to 7th this year" and they reply, "Ok," you ...

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