So as in title, Is it possible to buy really large BTC amounts? like a million $? What was the largest amount of BTC you bought at once?
Yes! this is very much possible, Especially if you are kind of a rich individuals here in this community. But in my case, I never in the stage yet that I am buying 1
BTC, most of the bitcoin I get was came from the result of my trading everyday, and from signature campaign.