Depending on how much you download a month, I think a basic MEGA subscription is about $5 USD a month which gets you 1TB of transfer and 400G of storage (so you can backup all the files you pirate as well just in case). If that's too rich for your blood then consider grabbing a free VPN like ProtonVPN and using that to bypass the MEGA limits when you hit the cap (steps for this are available online and on F95 I believe).
Also as a general tip, people should check out
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for suggestions on how to keep your illicit pirate activities even more hidden and has some pretty good paid VPN suggestions if you want to splurge.