Originally Posted by
cardinalkid1891
You should know that those rates are for citizens of said countries, so you may run into some trouble at the counter. Also, the Amex Plat CDP doesn't give a flat 20% discount on all cars, but rather 'up to' 20% off the best public rates, and that discount tends to apply only to higher end cars in my experience..
I've not seen that mentioned anywhere before, where does it mention that restriction? Sometimes the US site is cheaper, sometimes the UK site, sometimes another country - they're all Hertz sites though and I haven't seen it state any restriction when booking.