When percentage beats flat
- Rush fee: $200 shirt +20% = $40 rush vs $2000 jacket +20% = $400
- Premium finish: proportional to product complexity
- Insurance add-on: risk scales with value
Setup
- Personalizer field → Pricing tab → Percentage
- Set percentage (20%)
- Optional min/max caps
Common percentages
- Rush production: 15-25%
- Premium finish: 10-15%
- Custom color: 5-10%
- Complex embroidery: 20-30%
Display
Show fee amount, not just percentage: 'Rush production: +$40 (20%)'. Customer sees actual cost.
Frequently asked questions
How to set percentage add-on on Shopify?
Cart Transform via personalizer app. Percentage of base variant price. Print It My Way supports.
When percentage vs flat fee?
Percentage scales with product value (rush on expensive items = higher rush).
Standard rush percentage?
15-25%. Verify with POD partner's actual rush cost.
Can I cap percentage fee?
Yes — max $500 rush fee. Prevents unreasonable charges on very expensive orders.
Should I show percentage or dollar amount?
Both. Percentage builds understanding; dollar amount is what customer pays.
Percentage on option + tier — how combine?
Cart Transform sequence: base price × variant fee × option percentage × tier discount.
Best app for percentage add-ons?
Print It My Way (all tiers). Bold Product Options.
Does percentage affect tax?
Yes — fee inherits product tax rate. Shopify Tax handles.
Related reading
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