20 Tips

When booking a rental car online, click on "special offers" or "hot deals" to find the company's current promotional codes. Price your reservation using each code. Also, keep in mind that rates fluctuate according to seasons and slow periods. I managed to save more than $170 on a ten-day rental in Orlando, Fla.,by changing my reservation dates twice and by using different codes.

Take along an extra duffel bag for your laundry. As your vacation progresses, throw dirty clothes into the duffel, keeping your suitcase for fresh clothes. At the end of the trip, put a tag on the bag and check it at the airport. This will also give you space in your luggage to bring home souvenirs or new clothes.

Everyone knows that duct tape is great for helping out in travel emergencies, but no one wants to lug around a bulky roll of the stuff. By wrapping a few feet onto a pencil or ballpoint pen, you'll get a miniature roll that does not take up much in the way of additional space.

Give your children a coach's whistle in case they get lost; put it on a ribbon so they can wear it around their neck. The piercing sound may be annoying, but you'll definitely find them quicker!

Having spent a number of years working for Norwegian Cruise Line, I learned that a dinner roll helps to settle the stomach when seas become rough. The less liquid sloshing around unimpeded, the better. And if you forget your motion-sickness pills or wristbands, fear not, as the purser always has medicine available for seasick passengers.

When traveling with your kids, give each child his or her own small carry-on bag. Fill it with new, surprise treats to occupy the downtime--layovers, long flights, time in hotels--as well as a few familiar items from home. Include a notebook and encourage your child to keep a travel diary.

When renting a car, photograph any damage the car may have before leaving the rental agency; a digital camera records the date and time of each picture. On a recent trip to Argentina, I rented a car with extensive paint damage. When I returned the car, the agency attempted to blame me for the scratches. I showed them my photographs, and they rescinded their accusations.

For overnight flights, pack a few Oral B Brush-Ups in your carry-on. Before the plane lands, you can "brush" your teeth, leaving you refreshed and ready for the day!

When traveling with my kids, I bring a Ziploc bag that includes four things: Benadryl, children's ibuprofen, one of those little medicine cups, and a thermometer. This all-purpose kit will help with minor ailments, or treat a more serious flu until you can get to a doctor. Best of all, it saves Dad from driving around at 2 a.m. looking for an all-night pharmacy.

Internet phone services like Vonage can be programmed to send transcribed voice mails to your email in-box. That way, you can check your home answering machine quickly at an Internet cafe without paying insane roaming fees on your cell. The transcriptions won't always be perfect, but you'll get the gist.

Spring skiing often means a wild temperature shift from morning to afternoon. If you want the option of removing outer layers or switching to a lighter ski jacket midday, attach the lift ticket to your clothing with a split-ring key ring. You'll be able to move your ticket as the weather warms up.

In areas where the majority of people don't speak English, head to an Internet café. In our experience, they're full of friendly young people anxious to practice their English.

Carry the exact change for public transportation. In Venice, we were annoyed when a vaporetto (water taxi) ticket-taker refused to give us our change. Later, we discovered that if you don't have the exact fare, ticket agents make no promises about giving change.

In North American cities with large Chinese communities, choose a family-run Chinese restaurant and ask for the set family meals, usually written in Chinese. They are more authentic than those typically offered to tourists and people who are not Chinese—not to mention a better value. In San Francisco, for example, you can enjoy a five-course meal, which easily feeds a family of four, for less than $20.

Pick just two colors to mix and match throughout your trip. You'll cut down on luggage, not least because you won't have to bring a bunch of shoes to match a wide assortment of colors.

A padlocked zipper tells thieves there's something in your bag worth stealing, but a key ring is much less obvious. Just use it to latch together the zippers. Best of all, you'll never have to worry about forgetting your combination.

On the final day of a recent Caribbean vacation, I tried to arrange for a late checkout, but was told it wasn't possible. The hotel offered me the use of a day room; it would have been perfect, but it was being used by other guests, and there was a very long wait for the shower. I went back upstairs and saw that someone was just about to clean my room. I told the housekeeper that I understood she had to do her job, but I wondered if I could I take a quick shower first. She offered to clean next door while I took my shower. I tipped her $10 and then left for the airport.

If you're headed to a country that requires a visa, ask the consulate of that country, in the United States, whether visas are also issued at the airport there on arrival. In many cases (like Turkey and Egypt), they are. Obtaining the visa on arrival is a much simpler procedure and a real money-saver: You do not have to have photographs taken (they figure your passport already has a photo), you do not pay a hefty fee to the U.S.-situated consulate of the country, you avoid the expense and risk of mailing your passport to that consulate in advance of departure, and you avoid the expense of using a visa-acquiring company in the United States. But be sure the consulate is correct that the visa can easily be obtained on arrival.

My husband and I travel to out-of-the-way towns where rural roads can be hard to navigate. We use a handheld GPS (Global Positioning System) to mark the spot where we're staying, the main highway turnoffs, and, most important, the turns to unmarked side roads. When we're back-tracking and arrive again at confusing intersections, we whip out our GPS and immediately know which route to take home.

It's easy to lose track of time in a windowless interior cabin. Before going to sleep, tune into the ship's bridge-camera channel for real-time videos of the front (or bow) of the boat. The screen will act like a virtual porthole, and you'll rise and shine with the sunrise.

Many computer photo albums use camera date stamps to organize collections. Whenever you're traveling in a time zone that might affect the date stamp (if you're crossing the International Date Line, for example), remember to reset your camera's clock.

Use an empty M&M's Minis tube to carry quarters. The top holds tightly, but still pops open easily enough, and the size is perfect to slip into a car door or bag. I find it very useful when traveling by car (for tolls and parking meters) and by airplane (for luggage carts or newspapers).

A beach ball can replace many expensive in-flight gadgets. Depending on how much you inflate it, the ball can function as a very comfortable footrest, a back support, or a lap pillow to support your book.

Whenever my husband and I get new pairs of eyeglasses, we relegate the old ones to our luggage, along with an inexpensive repair kit from the drugstore. If something happens while we're away from home, we can hopefully fix the glasses ourselves. If they're beyond saving, we have the backup pairs to get us through the rest of the trip.

If you're divorced and plan to travel out of the country with your children, check the legal requirements in advance. When I tried to take my kids to Cancun, I learned too late that Mexico requires a notarized letter of consent signed by both parents for minors traveling alone or with one parent or guardian. If the parents are divorced, a copy of the parental custody agreement is allowed instead. The airlines enforce this rule before you get on the plane.

Attach a few carabiners--the kind of clips rock climbers use--to the top of your wheeled suitcase. Purses, cameras, and shopping bags can be clipped to your suitcase, giving your hands and shoulders a rest while you're walking around the airport.

When my husband and I visit places like India or Thailand, we pack only one extra change of clothes. When we arrive, we hit a local market and buy local attire--woven shirts, saris, sarongs, etc. Not only does this make packing easier, but we get a better cultural experience and end up with lots of wearable souvenirs!

If your tablecloth is wet at dinner, you should prepare for rough seas. Restaurant staffers have been known to slightly dampen the tablecloth to keep plates and glasses from sliding.

A simple but effective anti-pickpocketing measure is to fasten a safety pin across the opening of the pants pocket on the inside. Leave enough room to pull your wallet out with some effort, but not enough for a quick hand to lift it in a second or two.

An extra contact lens case holds enough toiletries for a short trip. Squeeze a few dabs of toothpaste into one side and perhaps some facial cleanser or moisturizer in the other side. Just the right amount of each will fit for your overnights or weekends away.