205× ROI: Sodabär reminds customers of their next cylinder exchange and only recommends bottles that fit their device
205× Return on Investment
The shop
SODABÄR from March-Hugstetten near Freiburg sells CO2 cylinders for water carbonators, to buy or to exchange, plus glass and stainless steel bottles, syrup, accessories and a dedicated Mitte category. With the exchange, full 425 g cylinders arrive in an exchange box of two to six, and the empty ones go back. The business is organic-certified, the shop has its own dealer login, and sodabaer.ch serves Switzerland.
The challenge
The business is repeat purchase, but not an even one. Someone ordering an exchange box of two cylinders needs a refill much sooner than someone with six. And accessories don’t fit automatically: the glass bottle with screw closure belongs to different devices than the glass bottle with bayonet closure, the MATE OF STEEL stainless steel bottles only to certain systems, Mitte products only to Mitte devices.
Bestseller logic recommends the best-selling bottle, whether or not it fits the customer’s device. A fixed reminder flow sends everyone the same email after the same interval, although the quantity ordered decides the timing.
The use case: refill and cross-selling
Avys reads the product data and past orders and understands what each customer actually uses.
Refill on the consumption rhythm. Avys estimates when a customer’s cylinders are likely to be empty, taking into account how many were exchanged or bought. The email explains the exchange the way Sodabär explains it: the full cylinders arrive first, the empty ones go back afterwards, and a larger exchange box lowers the price per cylinder.
Cross-selling that fits the device. Someone who has bought bayonet bottles so far isn’t recommended a screw-closure bottle but the matching system, such as another bayonet glass bottle or syrup for the water. Only customers with a Mitte device see Mitte cartridges.
Copy, product selection and timing are created for each customer individually.
The result
205× ROI over the last 90 days.
The ROI compares the revenue from orders placed within up to ten days of opening or clicking an Avys email with the cost of Avys over the same period.
