Wiping a google account/cleaning up digital footprint - need help!

**TLDR: deleting or moving e-address on all the accounts I’ve made over the years with my email. Do I NEED to delete everything that was once signed up with that email or is it not worth trying to find everything I’ve ever made?**

I’m trying to de-google and in turn get rid of most of my google accounts to where I can eventually delete the accounts all together and not have to have 500000 different email addresses to sign in …

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