If you're already achieving 3%, 5% or even 10% conversion rates, is that as high as you're going to go?
It is likely that LinkedIn campaigns to warm leads (aka remarketing) could be a good fit, but LinkedIn campaigns to cold leads is only a good fit for a few narrow industries.
When you increase ad spend, it's common to discover your CPL goes up or your ROAS goes down. Here's why.
If you have extra ad spend to work with...
It's possible the impression share loss due to rank includes losing out on impressions that the campaign is eligible for but are very broad so you would not want to show for them anyway.
Cart Abandonment Campaigns & Cart Abandonment Audiences:
Wait for at least 14 days (plus your conversion lag) to view accurate and complete performance reporting
Doing this causes the algorithm to not be able to spend the full budget, and ultimately, causes us to fall behind spend and lose valuable time in the learning process, too.