How Do We Make Better Informed Decisions On Marketing Spend?

If you have just started a company with new marketing strategies with calculated or better informed decisions on marketing spend, its most likely to be impossible. the better approach that is acclaimed by top marketing gurus are Trail-and-Error.

Start spend less on major categories (not niche marketing tactics) and gather data from the outcomes. Convince the management about the decision on trying new methods. The higher the risk, the higher the return would be. Avoid predicting accurate targets in case there is new entrant in the market.