Build a 5 level money flow diagram for your project - make sure your diagram has arrows on the connector lines indicating the direction of the money flow.

In a money Flow Diagram, what is the most important is levels 1 and 5 - these are areas of the economy that you should watch in order to be able to anticipate demand or cost changes.

Level 1 - per category on Level 2 - indicate what will influence the buying decision of customers - these are influencers of demand.

Level 2 - categories of customers who will pay you

Level 3 - your project

Level 4 - categories of entities who you will spend money with (costs)

Level 5 - per categories in level 4, indicate what will influence how much each level 4 entity will charge you - these are influencers of cost levels