PS You Don't need a car in Dublin!
Tip: don't forget about your luggage!
And only rent a manual transmission if you know how to drive one!
The 'Full Irish' will power you through 'til early afternoon!
Book online for discounts at some popular attractions.
DO NOT use a currency exchange kiosk or shop - you will pay a high exchange rate. Get the best exchange rate at an ATM. DO NOT use dynamic currency conversion when paying with a card. Always pay in the local currency.
And buy trinkets & whiskey at Duty Free!