What Is a Business Model?

Build the mental model

A business model is simply the answer to a small set of questions, put together: Who is the customer? What problem do we solve for them? What exactly do we sell -- the offer? How do we deliver it? How do we make money from it? And what does it cost us to run? Leave several unanswered, and you have an idea, not yet a business.

A useful shorthand is an equation: Customer + Problem + Offer + Revenue Model + Delivery Model = Business Model. Change any one part -- say, switch from a one-time sale to a subscription -- and the business model changes too, even if the underlying product stays identical.

• Product -- a tangible or digital good sold as-is
• Service -- direct work performed for a client
• Subscription -- recurring access for a recurring fee
• Marketplace -- connecting buyers and sellers, taking a cut
• Advertising -- free content or tool monetized by ads
• Affiliate -- earning a commission for referred sales
• Creator -- an audience-first business around a personal brand
• Licensing -- others pay to use your IP or product
• Membership -- paid access to an ongoing community
• SaaS -- software delivered and billed as a subscription
• Agency -- a team delivering a repeatable service to clients

Resist the urge to rank them. No category in that list is universally "the easiest" or "the best" -- each has different scalability, different time-to-first-revenue, different skill requirements, and different competition. The right model depends on the specific customer, problem, and offer you actually have.

Business Model

The combined answer to six questions: who is the customer, what problem do we solve for them, what exactly do we sell (the offer), how do we deliver it, how do we make money from it (revenue model), and what it costs us to run. Change any one answer and you have a different business model, even with the same product.

THE BUSINESS MODEL EQUATION
---------------------------
CUSTOMER + PROBLEM + OFFER + REVENUE MODEL + DELIVERY MODEL
                        =
                 BUSINESS MODEL

LANDSCAPE (categories covered in depth later in this course):
  product        subscription     marketplace
  service        advertising      affiliate
  creator        licensing        membership
  SaaS           agency

No category here is "the easiest" -- each has real tradeoffs.

Connect it to a real scenario

Pick any business you interact with regularly -- a streaming service, a local shop's website, a freelancer's portfolio site. Try to name its five parts: who is the customer, what problem does it solve, what exactly is being sold, how is it delivered, and how does it make money?

This exercise builds the habit this whole course depends on: describing a business in concrete, checkable terms instead of vague ones like "app" or "platform."

The code example below turns this into a small self-check: given four yes/no facts about a business idea, it tells you exactly which components are still missing. Run it against your own idea before you get attached to a name, a logo, or a slogan.

• A business model = customer + problem + offer + revenue model + delivery model
• No single online business model category is universally "the best"
• An incomplete business model has real, checkable gaps

Try the working example

function checkBusinessModel(idea) {
  const components = {
    "identified customer": idea.hasIdentifiedCustomer,
    "identified problem": idea.hasIdentifiedProblem,
    "defined offer": idea.hasDefinedOffer,
    "revenue model": idea.hasRevenueModel,
  };
  const missing = Object.keys(components).filter((k) => !components[k]);
  return { name: idea.name, missing, isComplete: missing.length === 0 };
}

const incomplete = {
  name: "Vague app idea",
  hasIdentifiedCustomer: true,
  hasIdentifiedProblem: false,
  hasDefinedOffer: false,
  hasRevenueModel: false,
};

const complete = {
  name: "Invoicing SaaS for freelancers",
  hasIdentifiedCustomer: true,
  hasIdentifiedProblem: true,
  hasDefinedOffer: true,
  hasRevenueModel: true,
};

for (const idea of [incomplete, complete]) {
  const result = checkBusinessModel(idea);
  console.log(result.name);
  console.log("  missing:", result.missing);
  console.log("  isComplete:", result.isComplete);
}

For the incomplete idea ("Vague app idea", only hasIdentifiedCustomer true), the function returns missing: ["identified problem", "defined offer", "revenue model"] and isComplete: false. For the complete idea ("Invoicing SaaS for freelancers", all four flags true), it returns missing: [] and isComplete: true.

Wikipedia: Business model — Digital Business