Good day @gregtsar.
Welcome to TPG Community!
We were able to locate your account using your community details and learned that you are on our NBN12 10GB data per month package. If you are always consuming the said data, then you might need to consider upgrading to the next plan.
But, if it is not an option, then you need to monitor your usage on "My Account" for you to be aware. You may also turn off the modem/router if you are not using it to make sure that your devices will not consume your Data. You may also disable the "automatic update" on your device application to control the use of your data.
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