Chambers of Commerce are excellent sources for this type of information. The local university's bureau of economic research can also make this information available. Another source of help in this task might be someone who is the already in business that you are interested in establishing, if they are willing to help a newcomer also achieve success. The business owner should be aware that it takes time to build a customer or client base as the reputation of the business grows. Several years may well elapse before the business may achieve the level of revenues desired.
Hard work is necessary as well as advance planning.
Estimate business expenses . The business expenses must be estimated as well. Expenses may include, among other things, costs for inventory, if relevant, rent, insurance, payroll costs and the related taxes, maintenance, travel, depreciation and overhead. An additional factor may be interest related to the financing for the business, if from a bank or other financial institution. The plain fact is that the expenses must be paid before there is a penny of profit for the owner.