Subscription Items
- Is there any limit to the number of plans, add-ons or coupons that I can create?
 - What happens when a plan, add-on, or coupon has been made inactive?
 - Can I configure a different subscription number series for different subscription items?
 - Is it possible for my customers to edit the quantity of plans and add-ons on the hosted pages?
 - What is the purpose of adding a Redirect URL to a subscription item?
 - Can I associate different email templates for different subscription items?
 - How to create a free plan in Zoho Billing?
 - What are the different pricing schemes for the addons?
 - Does an addon have a validity period?
 - Can I use only an addon for my customers without a plan?
 - Can an addon be added to a subscription during the trial period?
 - Can I have a 0$ plan?
 - Why do you list only the income accounts under sales option while creating a plan and an addon?
 - Will my customer be able to view subscription item’s description?
 - How are coupons in Zoho Billing differentiated?
 - How can I delete or mark a subscription item inactive?