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Small and medium business | Business Central, N...
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Business Central – Best Strategies for Initial Item Setup & Costing (High‑Mix / ETO)

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Hi all,

 

I’m keen to learn from those who’ve been through a fresh or reset Business Central manufacturing setup, particularly where initial item setup and costing choices had long‑term consequences.

 

We’re revisiting our foundations following a 2‑become‑1 consolidation, and it’s clear that many of the problems we’re now solving were effectively locked in during the original setup phase — especially around costing methods and item design.

 

Our environment:

 

  • Manufacturing / ETO‑leaning

  • Very high mix, low repeat

  • Sub‑assemblies common

  • Large volumes of order‑specific parts

  • Finance needs credibility without over‑engineering operations


  •  
 

What I’d really value input on is:

 
 

1. Costing method selection (early decisions that matter)

 

  • We have set out engineering / production business up at averaging costing (we consume specific material against released production orders in a project based business - feel free to comment) which are lot tracked 
     
  • Standard Cost vs FIFO vs Specific / Actual:

    • What has actually held up in high‑variance production


    •  

  • Have people run hybrid approaches successfully (e.g. standard for bought‑out items, actual for manufactured)?

  • At what point did costing become “noise” rather than insight?
     
  • How do i 'fix it'?


  •  
 
 

2. Initial item setup principles

 

  • When starting clean:

    • Did you define strict rules for when a part must be an item?

    • Or allow item creation to grow organically and tidy later?


    •  

  • Any success using:

    • Generic/template items?

    • Dimensions or variants to absorb uniqueness?


    •  

  • What item attributes turned out to be essential vs clutter?


  •  
 
 

3. Sub‑assemblies: cost drivers or cost confusion?

 

  • Did you:

    • Cost sub‑assemblies as standalone items, or

    • Treat them mainly as routing structures and roll costs up at top level?


    •  

  • How do you stop sub‑assemblies becoming a cost reconciliation nightmare when every job is different?


  •  
 
 

4. BOMs, routings & “truth”

 

  • During setup:

    • Did you prioritise speed & simplicity, or theoretical accuracy?


    •  

  • How accurate did BOMs/routings need to be on day one to give finance confidence?

  • Any strong lessons on:

    • Over‑engineering routings early?

    • Missing setup/overhead costs that surfaced later?


    •  


  •  
 
 

5. Finance vs operations alignment

 

  • How did you align finance expectations with operational reality during initial setup?

  • Did you define:

    • “Cost we care about”

    • vs “Cost we accept will be approximate”?


    •  

  • Any governance models that helped avoid constant re‑work?


  •  
 
 

6. What would you lock down sooner next time?

 

Looking back:

 

  • What setup decisions would you freeze early if doing it again?

  • What would you deliberately:

    • Leave flexible?

    • Prototype outside BC first?


    •  

  • Any clear anti‑patterns you'd warn others to avoid?


  •  
 
  • What actually works

  • What breaks at scale

  • What you wish someone had told you before go‑live


  •  
 

All perspectives welcome — especially from those who’ve lived with their setup choices for a few years.

 

Thanks in advance.

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