How can I add custom-made add-ons to my products?

Topic summary

A user is seeking guidance on implementing custom add-ons for products in their Shopify store. They want to charge additional fees for these customizations beyond the base product price. The post appears incomplete or corrupted, making the full context unclear, but the core question centers on adding purchasable product add-ons with separate pricing.

Summarized with AI on November 17. AI used: claude-sonnet-4-5-20250929.

I was wondering to to add add-ons to an item so I can charge the actual price because these are custom made items.