I’m Melissa, a Shopify Guru. Thanks for reaching out. There are many strategies to consider when you are setting up promotions and discounts. I am sure other forum members will offer some advice that has worked for their stores and has been successful that may be useful to you.
Below you will find some resources to help you see how you can go about setting up promotions and some ideas in how to best to conduct them. Check it out and see if it can help you make a lucrative promotion on your online store.
I have also included some apps that you can have a look into as they offer new ways of offering a range of discounts to your customers in different areas of the customer journey:
Hope this information helps! You can reach out to the Guru team https://help.shopify.com/questions if you have any questions.
Have a great day!
Melissa | Shopify Guru