Also - getting access to a TPU on GCP (particularly when you don't have a <fancy_school>.edu email address) has historically been a _fucking nightmare_. Absolute shit show.
I am a high schooler, and easily got a tpuv4-64. No fancy school or edu email address, just a dream of winning geoguessr. They are very receptive to emails, I asked for more and they got more for me.