My "process" (in quotes since that's too good of a word for my level of technique) is to dump in the developer, cap the tank. Four firm taps to remove bubbles, four inversions. Wait 60 seconds, four more inversions. Repeat until time's up.
As for these exposures, all I can say is that I started this journey (I'm using my Agfa Isolette III) using the "sunny-16 rule", so with my 125 ISO film, I was going f/16 at 1/125. If the light was a bit less (overcast, lets say), I'd open it up to f/8. With this eyeball technique, I was consistently getting under-exposure, so I decided to hit this roll pretty hard. The last five shots were in shade (but it was bright out with all the snow cover) at f/4 and 1/60. Those negatives look really good on the roll. We'll see how they look on paper.