Thrivecart Shopping Cart Adjustments

I'm seeking assistance with my Thrivecart setup. I need some functional tweaks and troubleshooting on the payment side of things. The adjustments needed are primarily focused on product bundling and fixing some existing payment issues.

Key Requirements:
- Expertise in Thrivecart
- Experience with eCommerce cart adjustments
- Proficient in troubleshooting payment integration issues
- Knowledgeable in product bundling within shopping carts
- Ability to implement functional adjustments for improved user experience