Hello all,
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Let's say the unit produces the promised 0.00033 btc/day for just one month. The total sum produced would then be 0,0099, or roughly 0.01 BTC. You paid $15 for it, so if the BTC/USD rate just swings up to $1500 you have in fact broken even. These are super conservative numbers, it is realistic to assume the unit will produce 0,03 if you let it run for a year I think. It is also likely that you will be able to buy them for $10 rather than $15. With these numbers the BTC/USD rate in one year will only have to be 334, which is pretty much where it already is (my guess is that in one year, BTC/USD will be close to $1000).
So, as long as you buy units with fiat currency, it should still be possible to not just break even but make a healthy profit with lowly block erupters.
What do you think?
-Michael
You should not include an exchange rate increase in your profit calculations. If you pay 0.04BTC (or the equivalent in another currency) for a device that will only produce 0.01BTC (after operating costs) in its lifetime, then it is not profitable. If you want to bet on bitcoins increasing in value over other currencies, then just buy bitcoins. This assumes your only motivation is profit.
+100 Just buy bitcoins if you think prices are going to go that high. If you buy the Bitcoins straight up vs the erupters you are going to make a lot more money. Also remember that buying the Bitcoins ADDS to the Bitcoin ecosystem directly, buying block erupters adds to ASICMINERS bottom line instead.