American Airlines' wastewater treatment plant recycles water used at the base to wash aircraft, process rinse water tanks, and irrigate landscape. That alone has saved almost $1 million since 2002. In addition to that, American Airlines has also won the award for the reduction of hazardous waste that saved them $229,000 after a $2,000 investment. A bar code system is used to track hazardous waste. It has led to reduction of waste by 50 percent since 2000.[80]
Expedia is one of the leading online travel agencies in the world, and while Expedia specializes in vacation packages, it also offers car rentals, hotel stays, cruises and the ability to book discounted attractions such as theme parks, shows and tours of famous and popular attractions. I love using Expedia because I can book everything at once — from my flight and hotel room to a car and tickets to hot destinations around where I’ll be staying — and not have to worry about a thing. Reading the guest reviews for our Florida vacation trip gave me an insider view of the hotels before I booked, and I used Expedia to coordinate the whole trip, so the flight, hotel and rental car were all set when we were ready to start our vacation. That took so much stress off of the vacation planning, and with the extra money we saved, we were able to buy extra souvenirs for our friends and family back home. Here are some ways you can ensure that your vacation planning is as relaxing and discounted as possible:

Some cities have restrictions on subletting for a short period of time. Airbnb has published a list of regulations and requirements for cities in the United States. In some cities, collection of a transient occupancy tax by Airbnb is required. In many cities, hosts must register with the government and obtain a permit or license.[9] Landlords or community associations may have restrictions on short-term sublets.
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