NatterjackYou are not expected to empty full node. I have not digged solo for long time, but you should aim for 10+ for reasonable time. I can do around 22 with careplanner and I run out of focus right before node timer runs out. I do not use time stanzas at all (except bonus from rite) and I do not intentionally kill nodes.
One for example empty a node of all mats then having to wait to force end it still takes time.
Time your action and optimize stanzas for your focus and comfort of digging.