Dollar Flight Club
If your destination requires air travel, then sign up for Dollar Flight Club. This email and app subscription service helps its budget-conscious members see more of the world by utilizing the power of big data and a group of expert Flight Finders. They advertise that you can save anywhere from 60 to 90 percent on the price of flights, and save $500 per ticket booked, on average. And, it's easy!
Travelers sign up, select a departure airport, watch for email/app alerts, and go on to book the perfect vacation at an amazing price.