These analyses hilight how ridiculous the american economic system has become by showing how, with a relatively small capital investment, you can overcome the incredible economies of scale applicable to commercial retail products and produce better stuff at a lower cost at home.
Besides simply doing good research to select the appropriate processes, there are three general techniques used to bring the cost down.
- Batch Size
- Vertical Integration
- Parallel Processing
The analysis of brewing beer is a good example of how to select an economical batch size. Coffee roasting and brewing shows the importance of vertical integration and parallel processing.
To simplify the arithmetic, most of these analyses use a constant-value currency. If desired, the resulting net money flow can be adjusted for inflation without effecting the overall results.
- A larger DIY Roaster.