Google Ads Promotion Mode: How to Use It for Sales, Launches, and Seasonal Pushes

Google Ads Promotion Mode lets you schedule temporary ROAS tolerance and extra budget for demand spikes. Here's how to set it up and when to use it.

Google Ads Promotion Mode: How to Use It for Sales, Launches, and Seasonal Pushes

Google Ads Promotion Mode is a beta feature that launched in June 2026 on Search and Performance Max campaigns. It lets advertisers schedule a temporary, defined relaxation of ROAS targets and an extra budget allocation for known demand spikes (Black Friday, product launches, seasonal sales). Instead of manually lowering ROAS targets the night before a sale and forgetting to raise them again, google ads promotion mode lets you set the start date, end date, target tolerance, and incremental budget once, and Smart Bidding handles the rest. This is the right tool for time-bound events where you know demand is going up and you're willing to spend more to capture it.

What Promotion Mode does

In normal operation, Smart Bidding optimizes against a steady target. If you set a 400 percent ROAS target, the algorithm tries to deliver that target every day. That's the right behavior most of the year. It's the wrong behavior during a known demand spike.

During a sale or launch, two things are true:

Without Promotion Mode, you have two bad options. Option one: leave the target where it is and lose volume because the algorithm bids conservatively. Option two: manually lower the target, then remember to raise it back. Option two is what most teams do, and it goes wrong in predictable ways. People forget to revert. They lower too much. The target change kicks Smart Bidding into a learning period right when stability matters most.

Promotion Mode solves both problems. You define the window, the target tolerance, and the budget bump in advance. Smart Bidding treats the period as a known event rather than a target reset, which reduces learning disruption.

When to use Promotion Mode

Promotion Mode is built for time-bound, planned demand events. Examples that fit:

Examples that don't fit:

How to set up Promotion Mode

The configuration lives inside the campaign-level bidding settings on eligible Search and Performance Max campaigns. The exact UI may change as the feature moves from beta to general availability, but the inputs are:

1. Start and end dates

Define the exact promotion window. Set it as tightly as you can. A two-day window is more powerful than a two-week window because Smart Bidding can focus the additional spend.

2. Target tolerance

This is the relaxation you're willing to accept on your normal ROAS or CPA target. If your standard target is 400 percent ROAS and you set a 25 percent tolerance, Smart Bidding will accept performance down to 300 percent ROAS during the window in exchange for more volume.

Be intentional here. Looser tolerance means more volume and lower efficiency. Tighter tolerance means less of both effects.

3. Incremental budget

The extra budget Smart Bidding can spend during the window. This is on top of your normal daily budget, not a replacement for it.

Right-size this against expected demand lift. If historical data shows your Black Friday demand was 3x normal, an incremental budget that doubles your daily spend is reasonable. If demand only lifts 30 percent, a smaller bump is appropriate.

4. Revert behavior

The campaign returns to its original target and budget at the end date. You don't have to remember to change anything.

A worked example

Say you run an ecommerce account with a 500 percent target ROAS, a $500 daily budget on a Performance Max campaign, and you have a 72-hour Memorial Day sale coming up.

Historical Memorial Day sales drove roughly 2.5x your normal revenue. Margin during the sale period is 60 percent of normal because of the discount, so you're willing to accept ROAS down to roughly 350 percent during the sale.

Reasonable Promotion Mode setup:

You set this once, a week in advance. Smart Bidding accumulates the event as a known shift rather than a target reset. The campaign reverts automatically Tuesday morning.

When Promotion Mode is the wrong tool

Worth being specific about this.

When the change is permanent

If you want to permanently lower ROAS or raise budget, do that as a normal configuration change. Don't use Promotion Mode for permanent moves; it's purpose-built for windows.

When you have no historical data on the event

Promotion Mode works best when you know the size of the demand lift. For a brand-new launch with no historical analog, you're guessing on tolerance and budget. That's fine, but treat the first run as a learning exercise and expect to recalibrate.

When margin changes are mild

If a sale only shaves 5 percent off your margin, the ROAS tolerance you'd need to set is small. The juice may not be worth the squeeze versus just leaving the campaign alone. Promotion Mode is meant for events where your willingness to spend changes meaningfully.

When inventory is the constraint

If a product launch is going to sell out in a day regardless of ad spend, Promotion Mode just spends more to drive the same number of sales. Use it where ad spend actually scales the outcome.

Risk management

A few specific risks and how to manage them.

Setting tolerance too loose

The most common mistake will be setting target tolerance too high "just to be safe." A 50 percent tolerance on a 500 percent target means Smart Bidding will accept 250 percent ROAS. That can blow through margin fast on a longer window. Start tighter than you think you need, and increase if you have data showing demand can absorb more spend at a lower ROAS.

Stacking Promotion Mode with other changes

Don't change creative, audiences, feed structure, or anything else in the days leading into or during a Promotion Mode window. The whole point is to isolate the variable. Mixing changes blurs attribution.

Ignoring inventory and CRM signals

Make sure operations is ready for the volume. Promotion Mode can drive more demand than your fulfillment or customer service can handle. Coordinate the marketing window with the rest of the business.

Forgetting to evaluate

Promotion Mode reverts automatically, which is great. But teams often forget to look at the result. Schedule a post-event review.

Post-promotion analysis

After the window ends, compare to a relevant baseline. The right baseline is usually the same event last year, not the week before the sale.

Capture for the promotion window:

The most useful metric is incremental ROAS: how much more revenue you drove versus how much more you spent. If you spent an extra $2,000 and drove an extra $9,000 in revenue, that's $9,000 of incremental revenue on $2,000 of incremental spend, or 450 percent incremental ROAS. That's the number to remember when planning next year's event.

Frequently asked questions

What is Google Ads Promotion Mode?

Promotion Mode is a Google Ads beta feature, launched in June 2026, that lets advertisers schedule a temporary ROAS or CPA target tolerance and an incremental budget for a defined date range on Search and Performance Max campaigns. The campaign reverts automatically to normal settings at the end of the window.

When should I use Promotion Mode instead of manually changing targets?

Use Promotion Mode any time you have a planned, time-bound demand spike (Black Friday, a product launch, a seasonal sale). It avoids the learning disruption that comes with manual target resets and ensures the campaign reverts when the event ends.

How far in advance should I set up Promotion Mode?

Set it up at least a week before the start date. This gives Smart Bidding time to incorporate the upcoming event into its planning without disrupting current learning.

Is Promotion Mode available on all campaign types?

As of the June 2026 beta launch, Promotion Mode is available on Search and Performance Max campaigns. Shopping and other campaign types are not yet supported in this iteration.

What target tolerance should I set?

Match the tolerance to the margin shift you expect during the promotion. If margin drops 30 percent during a sale, a 30 percent ROAS tolerance is roughly correct. Start tighter if you're unsure, then loosen for future events based on results.

What happens after the promotion window ends?

The campaign automatically reverts to its original target and budget at the end date you set. You don't need to manually change anything back.

Bottom line

Promotion Mode solves a real, ongoing problem: planned demand spikes don't fit the steady-state assumption that normal Smart Bidding makes. If you run seasonal sales, product launches, or fixed-date promotional events, set up Promotion Mode in advance, define the window tightly, size the budget bump against historical demand, and review the result after the fact. It's the cleanest way to handle short-term spikes without disrupting the rest of the year.

*Want help planning your next sale or launch with Google Ads Promotion Mode? Book a call with us.*

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