How does one go about buying ETH via mining and only pay under $300?
I genuinely don't know and I'm curious. Of note, I recently bought (for the first time in my life) and gifted my nephew some cryptos. I was NEVER a believer in cryptos and I'm still on the fence surrounding the whole thing, but I did manage to log into Binance.us and purchase a decent position for him. Now, I am thinking of pushing at least $5-10K into crypto. ETH looks attractive, but runs high. Hence why I am curious about this mining you speak of..
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You calculate your monthly ETH payouts and then look at your electrical bill. So in my case my monthly payout is around 4 ETH but could be 3.5 ETH or even 3 ETH depending on pool luck, difficulty, number of transactions on the network etc. My electrical bill has been around $900 per month. But that includes gas for water heater, washing machines, microwave, TV, furnace etc. I am guessing the electrical cost for the mining is around $750 per month.
$750 / 3 ETH = $250 per ETH
$750 / 4 ETH = $187.5 per ETH
I am mining directly to an ETH address on Coinbase. But you can have the payments go to any ETH address, for example Binance. Payments are done weekly.
That being said I was also mining ETH when it was $110. But keep in mind the rigs were also heating the house so I saved some money by paying less natural gas for the furnace to heat the house. So even at that low price if was worth the risk. Our electrical bill was also lower back then. Our bills have been higher the past few years because of infrastructure improvements. They jacked up the rates for everyone to upgrade the gas lines.
I would not go out and try to buy GPU cards right now. The prices are very high and it is sold out everywhere. And GPU mining for Ethereum is nearing the end as the transition to proof of stake. Nobody knows how much longer. 1-2 years or maybe less. There are apparently ASIC miners on the network mining Ethereum. Ethereum was supposed to be ASIC resistant but they were able to develop ASIC miners. They are apparently much more efficient than GPU miners but are hard to find and expensive. And once Ethereum mining goes away they will be useless and become door stoppers. At least with a GPU you can use it for games, videos etc. ASIC miners can't do anything but solve a specific algorithm. Bitcoin miners are all ASIC now. In the past you could mine Bitcoin with a CPU or GPU but those days are long gone.