Christos I am a regular in Bansko and I usually stay at the mountain paradise south or the mountain paradise by the wallnut trees.Never had a problem.Big rooms with living room and kitchen.
it depends.I usually book from a greek site so prices vary from period to period.I was during christmas time 23-28th Dec and paid 325euro.I am going again on the 30th-1st Feb and will pay 110euro.This is totaly and not per night.