Nowsaday one million is not enough to start a decent size farm. There are so many overheads such as hardwares, facility, ongoing staffs onsite support, and electricity. The most imoportant is ongoing hardwares upgrade constantly needed.
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To answer your question, 1$M is definitely enough to start a farm. As we arent solely relying to investors , but we will also handle some things ourselves.
Most on the funding is spent on hardware. But thanks for your concern, also we ahve a reoccuring ICO policy.