Fyrosfreddy
Like most things Ryzon, the answer to "What is best ?" has no answer ... there's only a "best for each particular situation".
I think that that statement is more true of digging than of any other aspect of Ryzom. For instance, I tried the slow-dig but found it hard to stay on task; turning my brain off puts me to sleep, so I tend to be a bit more active (some might say "hyperactive"). Different strokes for different folks.
In the end, I can only really answer for what works for me and how I operate, and hope that I can at least inspire others to find a way that works for them even if that way is something different than mine.
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Do not assume that you speak for all just because you are the loudest voice; there are many who disagree that simply have no desire to waste words on you.