According to [the FAQ][1] it seems like you just use the instances like normal and you won't be billed as long as you don't exceed the free usage limits... [1]

According to [the FAQ][1] it seems like you just use the instances like normal and you won't be billed as long as you don't exceed the free usage limits... [1]: https://cloud.google.com/free/docs/frequently-asked-questions#always-free https://cloud.google.com/free/docs/frequently-asked-question...