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The stuff nobody
tells you to do first.

Five short guides from ten years of trips that mostly went fine and a few that didn't. Steal all of it. Print it. Send it to whoever booked the flights.

The 20-minute trip prep

Most trip stress isn't caused by bad luck. It's caused by a decision that was cheap eight weeks out and expensive the night before. Here's the order that actually matters.

8 weeks out
Check your passport's expiry date — not just that you have one. Many countries require your passport to stay valid for six months beyond your arrival date, and some require blank pages. Renewal times swing wildly, so this is the one item where being early is the whole game.

Check whether you need a visa or travel authorization. These change. Check the official government site for the country you're entering, not a blog. Several countries have added electronic pre-authorizations in recent years that catch people out at check-in.
4 weeks out
Book the two or three things that sell out. Not everything — just the ones with fixed capacity: a specific restaurant, a timed-entry museum, a boat, a rental car in a small market. Everything else is better decided when you're there and you know the weather.

Tell your bank and your phone carrier. A frozen card in a foreign ATM line is a miserable, avoidable hour.
2 weeks out
Put every confirmation in one place. This is the step everyone skips, and it's the one that pays off at 11pm in a rental car in the rain. Not fourteen browser tabs. Not a group chat. One place, sorted by day.

Write down what you actually need at each stop: the address, the phone number, the confirmation code, and the door or gate code if there is one. Those four things resolve about 90% of on-trip panic.
3 days out
Look at the weather and rearrange, not repack. If the good weather day moved, move the outdoor day with it. Doing this three days out is free. Doing it the morning of costs you a booking fee.

Check in for your flight the moment the window opens if your fare doesn't include seat selection.
The night before
Make everything work offline. Download offline maps for your destination. Save boarding passes to your phone's wallet. Screenshot — or better, store — the first address you need on arrival. Airport wifi is a coin flip and roaming often doesn't kick in for the first twenty minutes.

Charge the power bank. Then put it in your carry-on. Lithium batteries are not allowed in checked luggage on essentially every airline.
Morning of
Photograph the contents of your checked bag. Thirty seconds. If the bag goes missing, you now have a claim document instead of a memory.

Send one message to whoever's traveling with you with the day's plan and the address you're headed to. Then you're not the switchboard for the next six hours.
Why this order? Each step is arranged by how much it costs to do late. Passports cost the most to do late. Deciding which beach to go to costs nothing to do late — so don't spend energy on it in week eight.

The offline kit

The single most predictable travel failure: the thing you need is in an email, and the email won't load. Here's what should live on your phone before you leave, not in the cloud.

Boarding passes

In your phone's wallet app, not as a link in an email. Screenshots work too, but wallet passes update if the gate changes and you still have signal.

The first address

Where you're going the moment you land — hotel, rental counter, the friend's flat. This is the one you'll need before you have data.

Door and gate codes

Short-term rental keypads, parking garage gates, storage lockers. These arrive by email a day or two before and are almost never saved anywhere retrievable.

Confirmation numbers

Hotel, rental car, tour, ticket. A confirmation number turns a twenty-minute problem into a thirty-second one at a counter.

An offline map

Google Maps and most alternatives let you download a region for offline use. Do the whole area, not just the city.

Passport photo page

A photo of it, stored on the device. Useful for check-ins, useful if the real one goes missing, and it costs nothing to have.

The test: put your phone in airplane mode right now and try to find your next trip's hotel address. If you can't, your trip is one dead zone away from being a problem. Skiplark stores all of it offline — that's the entire reason it exists.

The group trip playbook

On every group trip there is exactly one person who knows what's happening. That person does not get a vacation. Here's how to not be that person — or how to be that person with less friction.

Split the trip into owned pieces

The failure mode isn't that nobody helps. It's that "helping" is undefined, so everyone defers to the person who booked the flights. Assign actual territory: one person owns lodging, one owns transport, one owns food, one owns the kids or the dog or the parents. Each owner books, holds the confirmations, and answers questions about their piece. Nobody has to hold the whole trip in their head.

Decide the money rule before you go

Not after. The three that work:

What doesn't work is deciding on day four, in a restaurant, when someone's annoyed.

Publish the plan somewhere everyone can see it

A group chat is a terrible itinerary. It's chronological by message, not by day, so the dinner reservation gets buried under sixty photos of a dog. Whatever you use — a shared doc, a printed sheet, a trip page — the requirement is the same: anyone can look it up without asking you. That single property is what turns a group trip from a job into a vacation.

Agree on one thing: the split-up rule

Groups of more than four will want to do different things. Deciding this is allowed — out loud, on day one — prevents the low-grade guilt that ruins the middle of a trip. Set a daily reconvene time and place, and let the rest be optional.

Packing that survives contact with reality

Packing lists fail for one reason: they're written by someone who wasn't cold, tired, or in a country where the shops close at 6pm. Here's what actually matters.

Pack by layer, not by day

Counting outfits leads to overpacking, because you pack for imagined days. Instead pack a base layer count, one mid layer, one outer layer, and enough underwear and socks. Add one nicer thing. That covers a week or three weeks — the only difference is how often you do laundry, and laundry is available almost everywhere.

The five things people forget most

Carry-on rules worth knowing

The three-question packing test. For anything you're unsure about: Can I buy it there? Would I be genuinely stuck without it? Is it heavy? If it's buyable, non-critical, and heavy — leave it.

When it goes sideways

Something will. The difference between a story and a disaster is usually what you do in the first fifteen minutes.

Your flight is delayed or cancelled

Get in two lines at once. Stand in the physical rebooking queue and call the airline, and take whichever comes first. If your airline has a local number for the country you're in, that queue is often far shorter than the home-country line.

Ask specifically, not generally. "Can you get me to Denver tonight?" gets you a shrug. "Can you put me on the 6:40 to Denver via Salt Lake?" gets you checked. Look at the departure board first and arrive with a proposal.

Know that compensation rules exist and vary a lot. Passenger-rights rules differ enormously by region — the EU, UK, Canada and others have formal schemes, the US does not have an equivalent for delays. Whether you're covered depends on the region, the airline, the cause, and the length of the delay, so check the specific rule that applies to your flight rather than assuming. Either way: keep the boarding pass and any written notice of the delay reason. Without documentation, no claim goes anywhere.

Your bag doesn't arrive

File the report before you leave the airport. This is not optional and it's the step people skip because they're exhausted. Once you leave the terminal, your claim gets substantially harder.

Get the file reference number in writing and photograph it. Ask what the airline covers for immediate essentials — many will reimburse reasonable replacement purchases, and many won't volunteer that.

Keep every receipt for what you buy to get through the next day. Also check your travel insurance and your credit card — many cards include baggage delay coverage that people never claim.

You miss a connection

If both legs are on one ticket, the airline is responsible for getting you there and will typically rebook you automatically. If you booked them as two separate tickets, you are legally a no-show for the second flight and you own the problem entirely. This is the single most expensive detail in modern flight booking, and it's invisible at purchase time. When self-connecting, leave hours, not minutes.

The thing you booked is closed

Check the operator's own social account before you drive an hour — closures, weather cancellations and strikes show up there long before they hit the website. And have a fallback for each anchor day of the trip. Not a full alternate plan; just one named thing you'd be happy to do instead.

You lose your passport

Contact your country's nearest embassy or consulate immediately — they handle emergency replacement travel documents. Having a photo of the passport page speeds this up meaningfully. File a police report if the local process requires one for the replacement.

The printable version

One page. Print it, or screenshot it. Nothing here requires an account.

Trip prep — one page
8 weeks
4 weeks
2 weeks
3 days
Night before
Morning of
In the carry-on
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