Great question — answering as the UphillTech team:
February is the quietest and thus cheapest time of the year in Bali: it's the rainy season and both the Christmas/NY peak and the Australian school holidays are over. Over 5 million people live on the island, so it's never a "ghost town".
Full answer by lambshaanxy: https://travel.stackexchange.com/a/185525 (CC BY-SA 4.0).
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