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PLA does not absorb moisture. You can submerge a roll in water overnight, dry it and print just fine after. It does become brittle eventually just being exposed to the elements though. Either vacuum seal your filament in bags with a desiccant and store in a dark place or use it within 3-6 months of opening a roll as a general rule of thumb. Shorter timespan if you keep it in the light and if your ambient room temperature fluctuates considerably.
PETG on the other hand will absorb moisture and will crackle like a bag of popcorn when it tries to print with wet filament as it gets superheated at the nozzle level.
Also cheap printers are absolutely asinine for proper workloads, but if you’re a tinkerer that learns “on the job” so to speak while troubleshooting the nonsense you’ll see your prints perform, then it’s usually a great starting point, otherwise yeah, quality and reliability costs extra.