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If you do a 10k build you may well consider doing a gpu build and not a s19.
Gpu's have longer warrantee
and can use nice hash to earn BTC
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I am unaware of GPU mining as it tells me it cannot produce enough Hashrate to mine BITCOINS like the ASIC's. Can you shed more light on it?
You are correct that GPUs are absolutely not suitable for mining bitcoin. What he is suggesting is to mine [whatever GPU minable crypto] and convert [that crypto] to BTC, e.g. using nicehash.
I chose the word "crypto" over the word "shitcoin" because it sounds so much better. But they can generate profits.