The second is a clear product sales area, you can investment. Merchants in no more than two ways: advertising and personnel investment. The former use of television, newspapers, networks and other investment information; the latter is targeted to go to business visits.
Third is to improve the investment, investment planning is very important, if your product does not solve the problem of good positioning, if your investment policy has not been developed, or lack of novelty, it is best not to blindly investment.