Like others, I've been doing this for several years too. It is like owning firearms; It gets very addicting and can be expensive if you aren't disciplined.
Our forester advised that, 'Either you do it as a hobby and stay small, or make big investments and be very large. The medium size operations are having a hard time lately.'
We are very small. Plastic 5 gal. buckets and a cone filter. We make a few gals each year and keep it fun. Here is our evap set-up:
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Although I have not been deputized by the NES Dupe Police staff, I recall seeing other threads on this. You may be able to find some additional info...