Buying more groceries at a time is another obvious batching that one can do. So is cooking in bigger batches. Fixed cost in household chores is mostly about tim

Buying more groceries at a time is another obvious batching that one can do. So is cooking in bigger batches. Fixed cost in household chores is mostly about time, so you should try to batch them to save time. Buying groceries monthly vs. daily saves you 30 hours in a month, if it takes an hour for one trip.