The big important takeaway from the article:

You might assume that the most affluent customers are harder to reach and the least likely to engage with marketing. After all, the time they spend engaging with marketing is more valuable based on their income level. And, as the saying goes — time is money.

However, when we broke down the data based on income level, we made a surprising discovery — the most affluent customers were the most likely to engage….

Marketing Chart: The most affluent consumers also the most likely to engage with marketing

Affluent customers’ time is more valuable (when measured monetarily) than less affluent customers. So, you might assume they are less likely to spend that valuable time engaging with your marketing. However, we discovered the exact opposite to be true.