Should I run LinkedIn ads?

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.

Why can't we just turn on tROAS & leave it on?

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.

How long should I wait to see an accurate Performance Report in Performance Max?

Wait for at least 14 days (plus your conversion lag) to view accurate and complete performance reporting