Shops in residential areas do more food related business than shops in the market

One of the problems living in panaji, goa is that there are very few shops in residential areas, or many of these shops are not well stocked, However compared to shops in market area, many of these shops have plenty of customers, as there is no other shop selling food items in the vicinity
For example a shop located in market area, selling food items, had few customers despite selling low priced food items
Most homes often require some food items, as it is out of stock, so the only shop which is stocking the food item will get the business
In some of the posher areas there is no shop for a fairly long distance,
In comparison in mumbai, there are plenty of shops available close to almost all homes.
A well stocked food shop will do brisk business in most areas.