The run-up in price for a barrel of oil has created terror in the travel biz as more and more people opt for "staycations." That's when you're off from work yet you stay home to save money. To offset sluggish sales, some chain hotels and independent proprietors are offering free gas -- a 35-year old tactic not seen since the first energy crisis in 1973. Clark recalls that Days Inn locations actually had their own gas pumps on premises! SmartMoney.com reports that Hilton, Holiday Inn and Marriott are among the chains reviving this promotion at select locations only.

Want to save even more? Hotels that once snubbed Hotwire are giving the website their inventory as bookings soften. Look for deals on 4-star hotels because Hotwire inflates its ratings. You may even find some steals on accommodations in elusive New York City. Some people don't like Hotwire because the site doesn't disclose where you'll stay until after you pay a non-refundable deposit. Check BetterBidding.com to vet the hotels you're likely to get and TripAdvisor.com for user-generated reviews of the hotels. Finally, try using Priceline if you're willing to do the work of bidding. Visit BiddingForTravel.com for additional resources. Clark finds that he saves about 50% on car rentals and between 30% and 45% on hotels when using Priceline or Hotwire.