Determining Cost of Parts…

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  • Determining Cost of Parts…

    Posted by David Ross David Ross Musical Instruments on October 9, 2025 at 11:36 am

    Hey everyone,

    Recently I’ve been struggling to determine how much to charge the customer in regards to parts for a repair. The best example of this I can give would be guitar strings. Occasionally I’ll buy strings on sale, other times when they’re not on sale, and since cost of strings often varies, I may buy strings at the start of the year, and at the end of the year the price will be different.

    So the question is, what variables do I need to consider in between what I paid for strings, and what the customer pays?

    I was considering creating a spreadsheet on Google Drive which would be open to anyone who wanted to use it or edit it. Let me know if you’d be interested in this.


    Thank you!

    -David

  • 2 Replies
  • Josh Rippingale Federal Strings

    Member
    October 10, 2025 at 8:04 pm

    At least for me, there’s relatively few variables to consider – it’s the cost of obtaining the part, factoring in shipping costs and taxes, and adding my desired margin. Factors that influence the margin could be how long it takes you to sit down and do your regular parts ordering, the volume you sell etc.

    When it comes to hardware, consider that by you supplying the parts, your customer is receiving several benefits vs them supplying the parts:

    – They gain the benefit of your expertise in knowing what parts will fit and what won’t. This reduces the risk of them wasting money on the wrong part, and saves them the time and effort of doing the research and working out what they need.

    – If there’s some issue with the part, generally the supplier (you) will take the lead in contacting the vendor/manufacturer and arranging a replacement.

    – The supplier (you) handles chasing up shipping delays, lost packages etc

    You deserve some compensation for providing these benefits, so don’t short change yourself!

    I generally find I can maintain a margin of at least 30% on parts and still keep the price fair for the customer. For parts I can obtain wholesale, this means I can generally supply them at MSRP.

    In terms of strings, I charge MSRP. I’m not going to try and compete on retail price with some online megastore that relies on volume and is making margin of 0.5% per set. I’ve never had a customer object to the price I charge for strings – my workshop is not near any retail music stores, so it’s a major convenience for them to not have to make a separate trip or detour to grab strings. The margin for strings varies based on the manufacturers wholesale price structure.

  • David Ross David Ross Musical Instruments

    Member
    October 12, 2025 at 2:03 pm

    Hey Josh, thanks for the reply! I’ve never really sat down and thought about it before and so this certainly clarifies things on my end.

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