Make your CTAs Urgent
Another tactic that I use quite a lot of times. It might be the easy road for some, and I do not know if those psychology things do actually work, but this tactic converts AF.
You can do this by showing time limits or quantity limits: “2 more to go” “Get them for a limited time only”.
But you can also create the urgency with words: “What are you waiting for?”.
You can always test, that is the cool thing with conversion rate optimization: a lot of testing if you want to find the key to conversion success.