You need the discipline to establish accurate cost and proper price of your products and services you produce. Walmart known as the biggest retailer in history largely due to his experience and its expertise in the profession in this area.
But it is also amazing that many businesses are selling their products and services at loss because they never estimated the total cost of transporting the goods and services to the market where the trading will occur in first place. Have you ever heard this old saying, we lose money on item being sold, but the only way to make the profit back is on the volume. But to be sincere it is not possible.
You need a policy of good quality control system, which make sure that all product or service you are going to sell is of good quality and standard, that your customers are satisfied with and happily to purchase from you again and again to the extent of inviting their fellows to patronise you.
You need to also create or establish what is called customer service policy, this show how you tend to improve on your customers service or ways you treat them to be of best interms of the service you render to them. These made them to chose you over any other competitors that are almost producing the same product and service you do.