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Pricing Logic
Journal

Guides & notes

Practical notes on buying, reselling and making music. The ideas behind our tools and guides, with their limits explained.

  1. Close-up of Octatrack MKII YES, BANK and CUE buttons and arrow controls.
    Photo: “Yes” by Rafaël Reverdy-Carrasco, CC BY 2.0. Resized and converted to WebP.

    Octatrack MKII Guide: Parts, Patterns, Saving and an AI Helper

    A field guide to where Octatrack sounds and settings live, with source-linked notes and an experimental AI helper. Learn what the guide covers, how it works and where its limits lie.

    Read about the Octatrack guide
  2. Auction Fees Calculator UK: The True Cost of a Lot Before You Bid

    A £100 bid rarely costs £100. Buyer's premium, platform fees and VAT usually add 30–48% on top. Here's how to work out the real all-in cost — and your true maximum bid — on BidSpotter and i-bidder.

    Read