Hi, We're planning a month long holiday in September, by which time our son will be 7 months old. I'm flying out with my mum and dad and back with my husband so thankfully I won't be on my own with my baby. Does anyone have any advice at all for me? From things like, can I take the buggy and car seat sections of our travel system on to the plane with us to any recommended products while we're there and even recommendations of things to do (we'll be mainly California coast and Las Vegas). I know it's a bit open but appreciate any advice. We've done this trip so may times as a couple but having our LO has made us rethink everything!! Thanks