4 Travel Hacking Tricks for Domestic Trips

I received a note from a reader who wanted to know about traveling domestically. I admit that most of what I get excited about in the world of travel hacking relates to international travel. I like flying around the planet and changing as many as twelve time zones at once, only to do it again a few days later.

But not everyone feels the same way, and besides—even if you travel far and wide, you still probably need to travel shorter distances from time to time too.

How can you benefit from tr...