The Amex Platinum isn't just for you: How to maximize its benefits for your family

Having a family makes just about everything more expensive. Trust me, I've spent years raising four kids, and I've learned a thing or two about making every dollar — and every credit card perk — count.The American Express Platinum Card® might have a reputation as a card for business travelers and luxury jet-setters, but it's surprisingly family-friendly, too.From airport lounge access and hotel perks to everyday savings, here's how to make the Amex Platinum work for your whole family.Maximize the Amex Platinum for family travelGet the whole family into airport loungesI'm actually writing this article from an airport lounge at Dallas Fort Worth International Airport (DFW), where I'm riding out a long layover with my kids.Having a place to spread out, grab some food and give everyone a little breathing room (including me!) makes traveling together a whole lot easier. But getting the whole family into a lounge? That's another story.ZACH GRIFF/THE POINTS GUYThe Amex Platinum provides access to the American Express Global Lounge Collection, which includes Centurion Lounges, and Priority Pass lounges. At Centurion Lounges, cardmembers pay $50 per adult guest or $30 for children ages 2 to...