Calls to action (CTAs) are important but they don't need to be perfect.
Start with something basic and then work to improve it as you go.
The simplest one is to just describe how your product helps your customer. For example:
Repeat Customer Insights helps you better understand your customer behavior so you can better market to them.
See? Simple can be effective.
Eric Davis
Optimize your promotion timing to save money and attention
Repeat Customer Insights will analyze a ton of customer behavior data for you, including their buying cycles.
If you knew exactly when the majority of your customers were ready to buy again, you can increase your orders and profit just by tweaking your message timing.