good article. applies to all business. once oberoi was asked abt his success. he said for his hotel 3 important things location, location and location. like that for restaurant food, location and service
Most important thing is you should know what to sell where.
No use having Sushi in ludhiana Kimchi in Lucknow as there will be very limited dem,and.
Also, remember the size and tastes of the probable customers before setting the menu. Better to take survey.
This fooool vaziri (may be a relative of Delhi caterer Azhar Vaziri) talks about fixed and flexible investments, before talking abt survey and ground work.