There is practically no place to change the money, the only place to eat is Burger King and they won't give you the change there))! There are no price tags in the duty-free zone))! Check the receipt and find out the price from the seller in advance))!
There are fewer shops in the third. In the second, there is more choice. You need to be prepared that before leaving (at the Gate) there will be a check of all hand luggage. You can't bring water bought in the "duti" or airport shops on board; you'll have to drink,,,. Sausage sandwiches are also not allowed. in your hand luggage.
It's not a bad airport. I liked it more than in Hurghada. It is cleaner and more well-groomed, plus, as it seemed to me, there are fewer scammers and beggars. People came here and flew to Hurghada after a tour of Cairo.