Yeah... so about Evidence of the Purchase...
Unfortunately I have None, because Purchased it from a Ukrainian site, which is like the Analogue of Craigslist, where people buy and sell more often than not used items.
BUT this One was Brand New with all the Legitimate Google Stickers, that sealed the Box properly. It was not open for sure.
But this is only Half of the Problem. Cause when Google Support asked me about the Proof of Purchase I told them that it turns out my Seller had None also. And when I pressed him, he revealed that in fact there was a Third (presumably the Original) Buyer that actually purchased a Tablet and then mailed it to my Seller.
So yeah, crazy revelations...
Long story Short - I obviously got Rejected by Google cause My Seller strictly Gave me absolute ZERO information about the Purchase. Like literally. No Name, no City, not even Country it was bought. I pressed him for 20 minutes straight :)
Needless to say - It feels Shady AF