Field notes

The homework, in public.

What we're learning as we investigate the global prefab market — written for buyers, not engineers.

A white metal expandable home with its side wings folded open, sitting on a gravel pad in a high-desert landscape.

The Real Price

The factory price is the first number, not the last one

A $30,000 home and a $30,000 installed home are two very different things. Here's the gap, line by line.

Bill Eisner · September 15, 2026 · 6 min read

Recurring series

Six questions we keep coming back to.

  • The Real Price

    What low factory prices leave out.

    Publishing
  • Would I Send the Deposit?

    A direct look at one product and its unanswered questions.

    In production
  • Factory Questions

    One question American buyers should ask every manufacturer.

    Publishing
  • What Arrives?

    Factory completion versus local work, broken down.

    Publishing
  • Approved Where?

    Plain-English explanations of HUD, modular and local approval.

    Publishing
  • Field House Finds

    Homes worth investigating — not endorsements.

    In production

Start here

So… what are we building?

Eight quick questions. Tell us the dream, the land, the budget and what’s making you nervous. A human reads every one.

What are you looking to build? About 3 minutes · No payment, ever