Fiverr Recommend Promote with no cap But The best cost-per-click (CPC)—up to $3 per click.
Also you can Promote with customized cap. "The best cost-per-click (CPC)—up to your own cap"
You can Follow "Tip: To stay competitive, set a cap higher than 💲"
I think it's better to keep it active no matter how much you put the cap on🥰😍✅