Traveling has become exorbitantly expensive in recent years. But just because it’s more expensive doesn’t mean you still don’t want to see the world or take a vacation this summer. You just have to be craftier about it, which is where Dollar Flight Club comes in. This leading flight alert service can help you find great airfare deals to destinations all over the world and a Premium Plus+ lifetime membership is just $69.99 now. Dollar Flight Club has more than a million users worldwide, and CNN writes, “If you’re looking to book a weekend getaway, an international adventure, or just a flight to…