When it comes to pricing your services, one of the most common debates in the interior design world is whether to use a flat fee or hourly billing model. Both options have their advantages and potential drawbacks, and the right choice depends on your business style, client expectations, and the nature of your projects. As an interior designer, choosing the right pricing model is a big decision—it affects how you run your business, how you interact with clients, and, of course, your bottom line. Let’s break down both models so you can make an informed decision that works best for you and your clients.