I think you should read up on EQ and what it does, if your on a trt dose and add 600 EQ you will def tank your E2. You should find your test to EQ ratio. With EQ less is more it's very strong compound
From things I have read around, I think the full vial and report errors are what work against them. Valid point with Jano freight bring the most expensive part of the process
Doubt it's a scammer, they wouldn't reply to your msg. It's probably some bloke who's bought it and selling it for double. Very common. Good to make it's clear it's no you though