For an online store, in addition to a high-quality crm system, high-quality promotion on the Internet is very important. For some reason, many people forget this, but it is one of the most important keys to success.
I recommend using contextual targeting promotion. This is a type of promotion in which advertising is shown only to those users who may be interested in it. The company
https://www.fusify.io/solution/contextual-targeting will be happy to help with this, they are professionals in their field and do everything in the best way.