At the end of the day, cryptocurrency miner manufacturers are selling money printing machines. A well-funded profit maximizing entity is only going to sell a money printing machine for more money than they expect they could get it to print themselves. The buyer needs to understand why the manufacturer is selling the units instead of keeping them for themselves.
“Even today, what to study and how to study it are more important than where to study it and for how long. The best teachers are on the Internet. The best books are on the Internet. The best peers are on the Internet. The tools for learning are abundant. It’s the desire to learn that’s scarce.”