This is the most crucial factor. Many experts argue that you need extremely low-cost or free energy (e.g., excess solar) to make a profit.
Buying a machine isn't just about the purchase price; it's about the total cost of ownership (TCO). buy mining machine
are standard, offering high hashrates (e.g., 390 TH/s+), but they are costly ($4,000+) and noisy. This is the most crucial factor
While less efficient for Bitcoin, high-end GPUs are still useful for altcoins, such as Ravencoin (RVN) , according to Ventureburn Small-Scale Options: Products like the Avalon Nano 3S Go to product viewer dialog for this item. offering high hashrates (e.g.