What are the steps required to develop a product?

How would you administer often updating clients' prerequisites while advancing any framework?

As this is clearly YOUR homework, what do YOU think ?
While we're happy to HELP we won't do all the work for you.
Show us what you have done and where you are having problems..

I think first of all I have to plan the report sheet for developing the product then I have to do marketing, advertising for that product. But how should I manage the budget?