— WIKI

· Stage 04 · Evaluate

8 ACTIVITIES · STAGE HUB

Evaluate, honestly.

In context: Stage 04 · Evaluate

Where you pressure-test the idea commercially before committing, against competitors, market, risk and a real business model.

— TL;DR

Evaluate is the commercial gate. You reinforce the idea against competitors, market data, risk and your own bias, then define the MVP. Then you map the full business model canvas, one block at a time, so you know how it actually makes money before you spend on engineering.

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What the Evaluate stage is

Evaluate is where an idea stops being something you like and becomes something you can defend on numbers. You hold it up against the competitors already selling, the size and shape of the market, the risks that could sink it and the biases that make you see it through rose-tinted glasses. Then you strip it back to a minimum viable product and map out how the whole thing would work as a business. The point is to find the fatal flaw now, on paper, where it costs nothing to walk away.

For the £149 proofing box, this is where I made Dan and Anna Hartley face the commercial reality of their Stockport idea. We looked hard at who else sold to home bakers, what the Sourdough School crowd already paid for, and whether a direct-to-consumer model at a £38–55 build cost actually left room to make a living. Some of it stung; better to feel that here than after the tooling bill.

What’s in this stage

Evaluate runs in two groups: first reinforce the idea against the market, then map the business model canvas block by block. Work them in order, building the commercial case before you commit.

Reinforce

Review competitors

Map who already sells to your customer, what they charge and where the gaps in their offer sit.

Analyse market

Size the market, read the trends and judge whether there are enough buyers to build on.

Risk assessment

List the things that could sink the idea, rank them by likelihood and impact, and plan around them.

Check bias

Catch the wishful thinking and confirmation bias that make a founder over-rate their own idea.

Run workshops

Get the right people in a room to stress-test the idea and surface objections you missed alone.

Product themes/types

Group the possible product directions into themes, so you choose a route rather than chase all of them.

Define MVP

Strip the idea to the smallest version that delivers real value and proves the riskiest assumption.

Business model diagram

Sketch the whole money model on one page before zooming into each block of the canvas.

Business model canvas

Key partners

The suppliers, makers and allies you rely on to deliver, and what each one gives you in return.

Key activities

The handful of things the business must actually do well for the model to hold together.

Key resources

The assets, people and intellectual property the offer cannot run without.

Customer relationships

How you win, keep and grow customers, from first contact through to repeat purchase.

Channels

The routes you reach buyers through, and how the product actually gets into their hands.

Revenue streams

Where the money comes from, at what price, and whether it is one-off or recurring.

Cost structure

The costs that make the model run, so you can see whether the margin is real or wishful.

The Business Model Canvas is the work of Strategyzer (Alexander Osterwalder & Yves Pigneur), shared under a Creative Commons Attribution-ShareAlike 3.0 licence. Source: strategyzer.com.

How it fits the bigger picture

Evaluate builds on Stage 03 Innovate, taking the shortlist of ideas you generated and forcing each one through a commercial sieve so only the defensible ones survive. It leads into Stage 05 Define: an idea that has cleared the market, risk and business-model checks arrives at Define ready to be written up as a tight specification, rather than as a hope that still needs justifying.

What it can do

It tells you whether an idea has a real commercial leg to stand on, before you spend serious money. Done well, it ends with a clear-eyed read on competitors and market, a ranked risk list, a defined MVP and a full business model canvas showing how the thing makes money.

What it can’t do

It can’t guarantee the market will behave; a canvas is a hypothesis, not a forecast, and only real sales prove it. And it can’t design or build the product; that detailed work belongs to Stage 05 Define and the engineering stages that follow.

See the full 10-stage process →

Try it yourself

Take your own idea and fill in just three canvas blocks today: revenue streams, cost structure and key partners. If you can’t show a believable margin between what people will pay and what it costs to deliver, you have found your problem early, which is exactly the point.

Or run the guided version. The Free Sprint walks you through the commercial checks and the canvas step by step. Start the Free Sprint →

— Start here → Review competitors