Some businesses run on rules a standard website cannot express: commission plans, subscriptions to video, lead pipelines. These platforms are built around those rules, with the admin, reporting and payment layers they need.
A ready product such as Alive CRM lets you begin without building anything.
Custom platforms fit when a standard tool cannot express your model.
Products you sell to others are usually better built custom from the start.
Describe the business model and who will use the platform. We will advise on ready versus custom and the engagement model.