FunnelKit (formerly WooFunnels) Checkout provides you parameters to display Best Value Tag to highlight any one of the product lists on the Checkout Page.
Here is the URL parameter:
Here is the sample URL:
Preview of Best Value Tag
Notice the red Best Value tag in the screenshot below.
You can customize the Best Value Tag with these settings given below.
For customization, Under the design tab > Pre Built Checkout Page > Your selected template's Customize button > Checkout Form > Form Settings > Best Value Section
Modify these options as per requirement.
1) Product Selection - Select the product if you have a product-specific order page. It will display the Best Value Tag pre-populated on that product.
2) Best Value Text - to change the text if you want.
3) Text Color - you can modify the text color from here.
4) Background Color- you can also modify the background color.
This is how you can show the Best Value Tag in the product list field using the URL/Link.