The paid campaigns are always going to bring in higher quality website traffic than organic search results for a few different reasons.
E-commerce Campaigns but built as Lead Generation.
Brand Recognition is a by-product of running advertising.
If you have a large customer list, and if your Google account is eligible for "customer match," then you can implement some cross-selling and retargeting campaigns. Because the audience size is limited and much smaller than an audience found on Google, we won't need a large budget for this strategy. After about a month or two of gathering conversion data, we can also create a "similar audience" based on the customer list. Similar audiences are often effective, and we will incorporate it into our proactive targeting campaigns.
If you are launching a new product, there are a few ideas to get it out there.