You're asking a really smart question—and you're right to be cautious.
Here’s the deal:
Should you duplicate and optimize for Add to Cart (ATC)?
Yes, but only if you’re ready. Optimizing for ATC is a natural next step up the funnel, but it requires a stronger signal and more data. If you can’t hit 10+ ATC conversions/day, you risk undertraining the algorithm and getting worse results.
The Risk of Scaling 6x Just to Hit That Threshold
You're absolutely right to be concerned. Jumping from a working campaign to a 6x budget just to hit optimization volume is a big leap—and it doesn’t guarantee efficiency. In fact, it often causes CPA spikes or volatile delivery, especially if your product/brand is still maturing in the pixel's eyes.
Smarter Approach: Phase It In
Duplicate the campaign, sure—but don’t scale 6x right away.
Set the ATC version at a modest test budget (maybe 20–40% of your current spend).
Monitor cost per ATC and early signals like initiate checkout or purchase (even if not the goal).
Once it hits consistent ATCs (even 5–7/day), scale slowly.
That way, you're testing upward intent without tanking your ROAS.
Bonus Tip:
If you're using Meta Ads, consider CAPI (Conversions API) to capture more events like ATC—it helps the algorithm even when you're not optimizing directly for those.