Invest in a new product line

Who this is for

Founder led lower-middle market companies with 5 to 50 million in annual revenue that see an adjacent opportunity and want to de risk the bet.

The quick answer

Invest when a clear customer problem aligns with your strengths and when the path to gross margin is visible. Validate with paid interest, not surveys. Confirm delivery capacity and the effect on cash. Start with a small beachhead and a simple offer. Stop if margin or demand thresholds are not met by a set date.

The method in eight steps

  1. Write the thesis
    Customer, painful problem, and the outcome they will pay for. Name the capability that gives you an edge.

  2. Prove demand with money
    Collect letters of intent, deposits, pre orders, or paid pilots. Avoid surveys and soft interest alone.

  3. Model unit economics
    Price, bill of materials or cost to serve, expected volume, warranty or support cost, and target gross margin by quarter.

  4. Check capacity and partners
    Confirm supply, skills, and tools. Identify partners where they reduce risk or speed the path.

  5. Build the beachhead offer
    One use case, one configuration, one service plan. Keep options off the table until the core works.

  6. Set stage gates
    Write demand and margin thresholds and the dates to assess. Include a stop rule if thresholds are not met.

  7. Plan cash
    Map build costs, deposits, inventory cycles, and credit needs. Align with your banking facility or alternative finance.

  8. Decide scale or stop
    Run a simple review at each gate and choose scale, improve, or exit. Capture lessons either way.

Example

A twenty five million services company tested a monitoring add on. Ten customers paid for pilots and three pre paid for the first year. Unit economics hit target margin and the firm scaled with a narrow offer for one segment.

Pitfalls and fixes

  • Building for many use cases at once. Focus the first offer.

  • Trusting stated interest. Get deposits or paid pilots.

  • Ignoring cash. Model working capital and covenant impact.

Checklist

  • Written thesis with clear edge

  • Paid signals of demand

  • Unit economics and gross margin path

  • Capacity and partner plan

  • Stage gates with thresholds and dates

  • Cash plan validated with finance

Related links

  • Run a pilot that proves demand and margin

  • Choose build, buy, or partner

Considering an adjacent line but want proof before you spend. Contact Founded Partners and we will design the stage gates and the paid demand test with you.