Lodging makes up a large portion of your travel budget. If you're willing to be flexible, there are some creative solutions to cut the cost of lodging. For example, you may be able to save money by booking multiple hotels, and Nightly makes it easy to search accordingly. The search engine works like any other hotel search tool except that it looks for combinations of two different hotels to help you save money. Here's how the site put it: "Hotel switching is a fantastic way for you to grab the biggest and best hotel savings for your trip. Using a high-speed, proprietary algorithm, our service compares all combinations of stays across two hotels, finding the most cost-effective way to split a hotel stay, without compromising on quality or convenience." Get the full story at Lifehacker and Nightly