Student life usually quite cheap (at least cheaper than for non-students!) in Finland and student apartment are very nice. For example, every student has always own room and all rooms have quite thick walls so they feel more like own apartment than own room.

See this thread for more info:
http://www.duhocphanlan.info/VF4rum/index.php?topic=4.0Everyone in Finland speaks English ok. You can manage in any city with English. Work is different, if you are in customer service most companies require you to be able to speak in Finnish. However, there are jobs which don't require that, but not so much of course