We are all consumers, we buy stuff from different places at different times.  Each consumer is unique and different from any other.  However, we are all alike in demanding for better services. My daily necessities vary between regular stuff and one-time purchases.  The regular stuff by far outweighs any other, composing more than 95% of my consumables, stuff that doesn't require and more than deciding the suitable time and day to go and purchase.  But it is this scheduling attempt that consumes a lot of my time & weekly decisions and its at the end of the day just to run...