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Interactive buyer tool build: a calculator or fit check your buyers and the engines can read

An Interactive Buyer Tool Build answers buyer questions that need a calculation or a fit check, such as cost, sizing or compatibility, with one tool on your site. Its method, worked examples and structured data sit on the page beside it, so the engines can read and cite the answer. It costs $7,660 once.

Prices in US dollars, as published on 9 November 2026.
ItemPriceTermsHow you buy it
Tool build$7,660 onceAgreed in writing before payment, with no automatic enrollment.Agreed in writing
How you buy it
Agreed in writing before payment, after the 30 minute conversation.
Deadline
Delivered within 25 business days of recorded scope confirmation, which records the approved specification.
Refund and terms
Agreed in writing before payment, with no automatic enrollment.

What happens next: in the 30 minute conversation we confirm the scope, the delivery date and the terms with you. The written agreement then fixes the price shown here, and no payment is taken before it.

What we deliver and when

  • One tool that answers a visitor's input, such as a cost calculator, a sizing guide or a compatibility checker.
  • A written specification of inputs, formulas, sources and limits, approved by you before the build.
  • A page around the tool with the method in text, worked examples and structured data, so the answer can be read and cited without running the tool.
  • Accessibility and phone checks, input validation and clear messages when inputs fall outside the tool's range.
  • Handoff: the code, the specification and a short maintenance note.

Who it is for

A company whose buyers ask questions a plain page cannot answer. ChatGPT, Claude, Perplexity, Google AI Overviews and Google AI Mode can only cite what they can read, so a tool needs its answer and method in text too.

Included

  • Code and content owned by you on delivery.
  • A link from the tool to your own form if you want one, with no email asked before a result unless you decide it should be.

Not included

  • Invented figures. You approve the formulas and source figures, and the page says what the estimates rely on.
  • Maintenance after handoff, which is a separate scope.

Method and receipts

Every count we report comes from our published method, version 1.1: the base and the date beside each figure, failed captures listed apart from the valid base, and a receipt kept for every observed answer. Read the method.

Terms

  • Agreed in writing before payment, with no automatic enrollment.
  • We do not promise any ranking, placement, traffic or revenue result. What the engines say is recorded on stated dates.

Read our terms.

Questions buyers ask

Will assistants use the calculator?

They read the page around it. That is why the method, examples and figures are written out in text.

Who maintains it?

You do, with the maintenance note. Later changes can be bought as a separate scope.

What tools fit?

Questions with a calculation or a rule: cost, size, fit, compatibility or eligibility.

Two ways to start, if this is not the right size

Start free

Claude answers ten buyer questions for your category in about a minute. No email.

Run the free check

Have us do it

We find where you are missing, fix the pages and sources, and measure again.

Talk to us

Fix Sprint, $3,900. Program, $5,500 a month.