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Yeah, I get what you're saying about those early days. Back then it was mostly GPUs humming away in bedrooms, nothing too insane on the meter. But as specialised gear took over and difficulty kept climbing, the whole thing scaled up massively—think terawatts instead of just kilowatts for the big networks now. I've watched friends gradually shift setups to places with cheaper rates or better cooling just to stay afloat. One thing that stands out to me is how some operations started chasing efficiency tweaks and renewable tie-ins to keep costs down long-term. If you're digging deeper into sustainable angles or real-world mining infra, I've found https://dogboss.org/ pretty eye-opening for seeing how folks are handling power management and hashrate in practice these days. Not saying it's the only way, just my two pence—feels more grounded than the hype elsewhere.