When costs are nonlinear, keep it small.
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Batching work is more efficient … until cost rises nonlinearly with batch size. Then smaller batches are the most efficient. So don’t delay maintenance!

Does anyone else find that their ability to tackle a to-do list scales inversely to the size of the to-do list?

That you end up doing no steps of a multi-step task far more often than one-step tasks?

Sometimes someone will ask me to do something and I will start doing it immediately and they will say, Oh, It’s Not Urgent and I don’t know how to explain that if I don’t do it right then it will fall off the list.