Advantage+ not working? Here's what's usually wrong

What “Advantage+” means now

Advantage+ is Meta’s name for the AI features in Ads Manager. Meta now builds Sales campaigns in one flow. A campaign counts as Advantage+ sales only while three settings are all on: Advantage+ campaign budget, Advantage+ audience and Advantage+ placements. Change any one of them and it becomes a manual campaign. Separately, Advantage+ creative lets Meta change the ad itself.

So “Advantage+ isn’t working” can mean four different things. Work through them in order and stop at the first one that fits.

1. It has too few purchases to learn from

Meta’s AI learns from the one event you choose. It flags an ad set “Learning limited” when it’s unlikely to get about 50 of those events in the week after its last significant edit. For a small store, purchases are the rarest event there is.

Do the sum: your weekly budget divided by your cost per purchase. If the answer is under about 10, Meta can’t tell a buyer from a browser. It drifts toward whoever is cheapest to reach, often people who tap and leave. One of our own online brands spent about A$1,300 optimising for purchases with no purchase history. Meta received zero purchase events to learn from.

The fix. Our plans optimise for Purchase only when the budget can buy about 10 a week, or Meta already records about 50 a month. Below that, they run one ad set on Add to cart, then move up to Purchase in a new ad set once purchases flow. Learning limited, explained has the full decision.

2. It’s claiming sales you’d have made anyway

Broad and Advantage+ campaigns can show ads to your existing customers, your email subscribers and people already on their way to buy. When they buy, Meta counts the sale if it happened within 7 days of a click, or 1 day of a view or engagement. That’s Meta’s default attribution setting.

So Meta’s ROAS climbs and your bank balance doesn’t. The signs:

• Meta’s ROAS looks great, but store revenue has barely moved since the ads started.
• Most orders in ad weeks come from returning customers.
• Retargeting has the best ROAS in the account and keeps getting more budget.

The fix.

1. Exclude past buyers from prospecting: your customer list and website purchasers from the last 180 days. Exclusions are hard limits, even with Advantage+ audience on.
2. Limit spend on existing customers another way. Meta no longer offers an existing-customer budget cap on Advantage+ sales campaigns. Use one campaign with two ad sets: one for past customers with an ad set spending limit, and one that excludes them. Or simply exclude them.
3. Reach existing customers with email first. It costs almost nothing.
4. Keep retargeting small. Many cart abandoners come back on their own.

3. Meta’s AI is changing your ads

Advantage+ creative can adjust brightness, crop your image, add templates, overlays and music, and move where your text appears. Stores get extras that pull in the catalogue: product cards on your image, a single image turned into a catalogue carousel, and links to other pages on your site.

From 28 October 2026, Meta is also adding in-app product browsing to existing ads, so shoppers browse your products inside Facebook or Instagram (Meta’s notice to advertisers, reported by PPC Land on 15 October 2026). That skips your website, where your bundles, free-shipping bar, reviews and size guide live.

One of our own brands had single-image ads shown as catalogue carousels of about 40 cards, led by an auto-cropped packshot. About A$59 went out in the wrong format before it was caught.

The fix, on every new ad:

1. Switch off every enhancement that changes your image, video or words. Music off unless you chose it.
2. Switch off Show products and the Add product tags enhancement on single-image and video ads.
3. Switch off Add product browsing in the ad’s Enhancements section.
4. Open Advanced preview and look for versions you didn’t make. Then find the ad on your phone in the real feed.

Don’t edit live ads to do this. Edits can restart learning, so apply it to your next new ads.

4. You’re judging it on the wrong number

Meta’s ROAS is good for one job: comparing your ads with each other. To decide whether the spend is worth it, use MER: total store sales ÷ total ad spend, from Shopify or your store platform, not from Meta. Keep MER at or above your target, and never below your break-even ROAS. If you don’t know that number, the break-even ROAS calculator works it out in a minute.

ROAS vs MER explains why the two disagree, and the weekly lift check that catches Advantage+ taking credit.

When Advantage+ sales is the right call

With steady purchase history, an Advantage+ sales campaign can replace a manual prospecting campaign. It hands audience and placement choices to Meta. Before you switch:

1. Set up existing-customer handling first, or it will spend on people who already buy from you.
2. Run it alongside manual prospecting for 4 weeks. Keep whichever has the better MER and new-customer share.
3. Apply the same creative rules: enhancements, catalogue add-ons and product browsing off.

You can still exclude past buyers in an Advantage+ sales campaign, under Audience, Show more controls.

Don’t fix it by accepting more recommendations

When results dip, Ads Manager will suggest raising the budget, broadening the audience or switching on more Advantage+ features. Some of those can be right. All of them mean more spend or more decisions handed to Meta. Test each one against a single question: will this lower my cost per sale or lift my MER? Meta’s Opportunity score covers how to decide.

Not sure which of the four is yours? The free 3-minute quiz checks your answers against each cause and marks the likely ones. Plans for online fashion, beauty and skincare, jewellery and accessories and home and lifestyle stores set these rules for your category.