If your driving license was issued in any country, authorized the Convention on Road Traffic (Viene, 1968), it is valid in Ukraine. More than 200 countries joined this agreement, so it is very likely that the country of your license commission was among them.
It is not a problem to rent apartments for any taste and wallet in Ukraine. As regards houses, the choice is narrower (especially on the eve of summer season, when demand on family cottages in big cities suburbs increases significantly).
There are international airports in all key cities: Kiev, Kharkov, Lviv, Donetsk, Odessa, Dnipropetrovsk. Apart from Kiev, they handle rather a limited number of long-distance international flights.
Medical emergency servicefor foreigners in Ukraine is provided with the emergency insurance policy availability. In general, medical emergency care system is state, but particular private clinics (just in few big cities) have their own ambulance facilities.