Lightning AI Spend Optimizer will automatically change allocate your budget to the best performing advertisements.
But, before you can set this live, you need to tell Lightning AI which campaigns to manage.
If you can't click the "Turn On" button for Spend Optimizer, make sure that you have added a campaign first. Once you add your first campaign, you should be able to click the "Turn On" button. Make sure you add in a total daily budget (this is for the campaigns Lightning AI manages), a target conversion event and a target cost per conversion.
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