Explanation:
1) the quality of purchased good may be low
2) there might me fraud and cheaters
3) it might be risky
4) we may not get our orders on time
Profitability Calculator: https://www.cryptocompare.com/mining/calculator/eth?HashingPower=200&HashingUnit=MH%2Fs&PowerConsumption=140&CostPerkWh=0.12&MiningPoolFee=1
Difficulty Level Chart: https://www.coinwarz.com/difficulty-charts/ethereum-difficulty-chart
<span>Documents, images and other data you can access by providing a uniform Resource Locator. URL - the Web Address
I hope this helps. You didn't give me the choices to from. </span>
