4. Define your business model assumptions

Even if economic hypotheses are difficult to build and support in the early stages of a project, they are nonetheless necessary to measure the return on investment over the longer or shorter term for the entrepreneur or company, and for users. We therefore recommend that you estimate and define :

• The sales and after-sales service channels for your product and/or service: what will be the sales channels for your product? Will they be direct (B to C) and/or indirect (B to B to C, B to B)? Will the purchase of your product be partially or fully reimbursed by a healthcare reimbursement system?

• User solvency: what price is acceptable to your sales targets? What protocol will you use to validate your product pricing assumptions?

• The cost of manufacturing your product: what is the...