By going off-season, you can avoid crowds, lines, fewer tourists, and have greater availability to explore. Determine what off-season may be as they differ by cities, countries, beaches, amusements, casinos (is there ever an off-season?), or skiing resorts.
Have you been to Yellowstone? Our country has breathtakingly beautiful National Parks. The parks are majestic and remind us that we are small parts of our universe. There are 423 national parks in the US, DC, and our territories, including 63 with Congressional protection.
Bidding online is an excellent way to find bargains for travel packages. Travelers control the prices they are willing to pay for domestic or international packages, rental car deals, hotels, or just flight deals. eBay, the company that kicked off the online auctions for everything, has a travel auction page.