You'll run into a lot of non-EE advice from people who haven't run the numbers or accounted for all the costs of electrical power vs modern hardware equivalent

You'll run into a lot of non-EE advice from people who haven't run the numbers or accounted for all the costs of electrical power vs modern hardware equivalent costs and given GIGO analysis, their estimate of the financial breakeven point is mere months. When in reality its sometimes never or thirty years or similar when using actual numbers.