Flux is a functional query and scripting language used in InfluxDB v2.0 and Cloud, offering substantial power for working with data. To overcome common hurdles for Flux beginners, it's essential to understand the UI tools that facilitate writing Flux scripts, such as the Data Explorer's Flux Query Builder and Script Editor. Additionally, grasping Annotated CSVs, the output format of InfluxDB v2.0, is crucial for effectively using Flux. The array.from() and to() functions are also vital tools in the Flux toolbelt, allowing users to easily write data to InfluxDB. Furthermore, designing a good schema with general data layout recommendations can help minimize series cardinality and improve query performance. Overcoming hurdles such as storing the wrong data in InfluxDB, confusing about summing across fields, and utilizing source functions to pull relevant data into InfluxDB are also essential for Flux beginners. By understanding these concepts and using the appropriate tools, users can effectively learn and use Flux to manage their time series data efficiently.