I will fix shopify cart checkout sold out issues payment gateway issues fix bugs issues


About this gig
Are customers unable to add products to cart, facing checkout errors, seeing items wrongly marked as sold out, or failing payments at checkout?
These issues directly kill sales and customer trust. Most Shopify store owners lose revenue daily because of hidden bugs, app conflicts, inventory errors, or payment gateway misconfigurations.
I help Shopify store owners identify, fix, and prevent cart, checkout, inventory, and payment issues so customers can buy smoothly without errors.
I work carefully to ensure your store is stable, functional, and conversion-ready.
What I Will Fix
- Cart not adding products
- Checkout errors or stuck checkout
- Sold-out issues caused by inventory or variants
- Payment gateway errors (Shopify Payments, PayPal, Stripe, etc.)
- App conflicts affecting cart or checkout
- Theme or custom code issues
- Shipping or tax-related checkout bugs
- All fixes are done manually following Shopify best practices.
If your store is losing sales due to checkout or cart issues, message me before ordering.
I'll review your issue and confirm the best solution.
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Queen I
- FromUnited Kingdom
- Member sinceSep 2025
Languages
English
FAQ
Can you fix “sold out” issues even when stock is available?
Yes. This is usually caused by inventory tracking, variants, or app conflicts.
Do you fix payment gateway errors?
Yes. I work with Shopify Payments, PayPal, Stripe, and other gateways
Will this affect my existing orders or data?
No. All fixes are done safely without affecting live data.
Do you work with custom themes or apps?
Yes. I troubleshoot both themes and third-party apps.
Should I contact you before ordering?
Yes. Messaging first helps confirm the issue and choose the right package.

