A few tips and tricks we've learned along the way. Apply for Global Entry. If you plan to travel out of the U.S. on more than one occasion, applying for Global Entry is one of the best things you can do to speed up the immigration and customs process returning to the U.S. It also includes TSA Pre-Check, another great perk. We've found it to be well worth the $100 application fee, which is good for five years. The first time you apply, you will need to go to the closest Global Entry office for an in-person interview, which was no big deal. We both recently renewed our Global Entry online, and…