Net Promoter Score is BS due to sampling bias. When a subset of a population is used to extrapolate generalizations about the entire population it is wise to make sure that your sample population properly represents the entire population. If your sample does not represent the population that you wish to understand more about than the data is useless.
Setting a price for your product can be challenging to say the least. Setting a price that customers are willing to pay and making sure your costs are covered is top priority. Businesses that lose money tend to not stay in business for very long.
As a society we have made things complicated. If you take a stroll down the condiment aisle in your grocery