Complete the Bundle lets you finish any bundle at a discount, paying only for the products you don't already own. It's completely automatic when you're logged in.
We built this system to solve a common frustration: wanting bundle savings but already owning some of the products. Instead of missing out on discounts entirely, our system recognises your previous purchases and rewards you with a scaled discount on what remains.
Bundle completion is automatic — no codes or special links needed. When you're logged in and own some (but not all) products from a bundle, you'll see a discounted "Complete the Bundle" price on the bundle page.
Bundles are collections of products sold together at a discount. Instead of paying full price for each product separately, you save a percentage by purchasing them together.
When you already own some (but not all) products from a bundle, you receive a discount to complete the bundle based on what you don't yet own. The discount percentage scales between the bundle's full discount and a minimum of 3%, depending on how much of the bundle's total value you already own. The more you own, the smaller the discount percentage. We carefully designed this calculation to treat both new and existing customers fairly while preventing pricing abuse.
Bundle completion pricing applies even if your existing products were bought as part of a bundle themselves. For example, buying Warmth and Wonder Strings makes you eligible to complete the All Libraries bundle.
Log in to automatically see your personalised prices. For completeness, here's exactly how the completion discount is calculated:
Example: A bundle normally costs £100 for products worth £125 individually (20% discount). You already own products worth £25 (20% of the bundle's value). You need the remaining £100 worth of products. Since you're purchasing 80% of the bundle, you receive 80% of the normal 20% discount = 16% off. You pay £84 for the remaining products (£100 minus 16%).
This means the total you've paid (£25 initially + £84 for completion = £109) is significantly less than purchasing all products individually at full price (£125), though slightly more than the original bundle price (£100).