This is vital and it is up to you to get creative to make this happen.
In order to help you meet the end goal of revenue growth for your firm, we have some ideas for you.
This offer can also come as a follow up to the initial purchase in the form of a discount coupon emailed to the customer that can be used within a limited time period.
You might also consider Introducing a discount ladder by sending discount coupons periodically to your paying customers.
All they will need to do is pay a small amount for shipping which hints at their genuine interest in your offering.
In order to show your appreciation, you could offer them a coupon code as a mark of gratitude.