Ad budget by product stage: launch, growth, maturity and liquidation

Almost every mid-sized seller’s ad budget is built the same way: one monthly total, split across the products that “need a push”, with a single target ACoS for the whole account. That target is usually a round number someone heard on a podcast or read in a forum, and it gets applied equally to the product launched last week and the one that has been selling on its own for two years.

It’s the most common mistake in the whole discipline, and it isn’t a bidding mistake: it’s a category mistake. A product in launch and a product in liquidation are not buying the same thing with that money. The first buys information and position; the last buys exit speed to recover capital. Demanding the same efficiency from both is like expecting the same return from a deposit and from a loan.

The symptom looks like this: new products shut off after three weeks because “they didn’t hit the target ACoS” — when no new product hits it, by definition, since it has no conversion history and no reviews yet — alongside mature products still burning budget on terms where they already rank organically, with a low ACoS that looks great and is buying nothing new.

This post orders the four stages, what goal each one has, how its spend ceiling is set and — the important part — why that ceiling doesn’t come from an industry average but from the contribution of the product in question. A campaign isn’t judged against its isolated ACoS: it’s judged against what’s left for the product financing it.

why a flat budget is the default mistake

A flat budget is comfortable because it fits in one cell. A percentage of sales, a target ACoS, and off you go. The problem is that it treats advertising as a uniform expense, when in reality it’s buying different things on different products.

Think of it as a portfolio. Nobody would demand the same immediate return from every peso invested: some money goes in to discover whether something works, some to scale what already worked, some to defend what was won and some to exit a position. All four are valid and all four are measured differently. Catalog advertising works exactly the same way.

The cost of a flat budget has two faces. The first is that it kills launches early: a new product gets switched off for missing a goal designed for mature products. The second is that it overfunds maturity: products that already have organic traction get budget to buy clicks from people who would have found them anyway.

Neither shows up in the campaign report as a problem. The first looks like “that product didn’t work”. The second looks like an efficient campaign. That’s why flat budgeting survives year after year: both of its failures disguise themselves as success.

launch: you’re buying signal, not profit

A freshly published product doesn’t have what the marketplace needs in order to show it: no sales history, no reviews, no measured conversion rate, and its relevance to the searches that matter is the algorithm’s bet based on the text in your listing. In that situation, advertising isn’t a sales channel: it’s the mechanism for generating the data the product doesn’t have yet.

That’s why the stage’s goal isn’t profit. It’s accumulating three things: conversions that teach the algorithm which searches you’re relevant for, enough reviews that the listing stops looking deserted, and a search term list of your own that you’ll be able to exploit later. An ACoS above break-even in this stage is expected and often correct, as long as it’s a deliberate decision with a ceiling and a date.

The two rules that make the difference are about containment, not aggressiveness:

• An absolute investment ceiling, set before you start. Not a target ACoS but a figure: how much money you’re willing to lose to find out whether this product has demand. That number is decided with a cool head, not in week three when it already stings.
• An evaluation date, set before you start. A reasonable window for enough conversions to accumulate that you can conclude something. Switching a product off after ten days throws away the discovery investment right before collecting on it.

And one warning that saves a lot of money: don’t launch with advertising a product whose price doesn’t yet cover its costs. Advertising amplifies what’s already there; if the unit loses money without ads, with ads it loses faster. Costing comes before launch, always.

growth: scale for as long as contribution holds

A product enters growth once it converts consistently and has identified terms that work. Here advertising changes function: it stops buying information and starts buying profitable volume.

The rule of this stage is the simplest of the four and the most broken: you scale as long as each additional peso still leaves positive contribution, and you stop when it doesn’t. You don’t scale until you hit a generic target ACoS; you scale to the point where marginal spend stops leaving marginal profit.

That distinction matters because a campaign’s average ACoS hides how margin behaves. You can have a perfectly healthy 20% average while the last pesos of budget are running at 45% on peripheral terms. The average reassures you and margin leaks out the edge. The only way to see it is to look at incremental performance: what happened to sales and to profit the last time you raised the budget.

There’s a limit almost nobody accounts for and that in growth overrules all the others: inventory. Scaling ads on a product that will run out of stock in three weeks is paying to accelerate your own stockout, and the cost isn’t just the lost sale: it’s the ranking drop a listing takes when it stops moving. Growth budget gets calibrated against coverage, not only against margin.

Glossary: sales velocity is how many units you move per day; it’s the signal that tells you whether a product is growing and how much stock it takes to sustain it.

maturity: defend position without paying for what’s already yours

A mature product sells on its own momentum: it has reviews, organic position and a flow of traffic that doesn’t depend on ads. Here advertising stops being an engine and becomes insurance.

The question in this stage isn’t “how much can I grow” but “how much of this is incremental”. If you pay for clicks on terms where you already appear in the top organic results, you’re largely buying sales you were going to get anyway. The ACoS on those campaigns looks beautiful — of course it converts, it’s your own demand — and yet it subtracts net margin from free sales.

That doesn’t mean switching everything off. Three kinds of spend do justify themselves in maturity:

• Brand and detail-page defense, so a competitor doesn’t occupy the space you built.
• Targeting against substitute products, where you’re fighting for traffic that was never yours.
• Seasonal support, in the weeks where competitors raise bids and losing position costs more than paying for it.

What maturity doesn’t justify is generic budget running on autopilot out of inertia. Here the target ACoS should be the strictest of the four stages, because it’s the only one where the alternative to spending is to keep selling anyway. It’s also worth checking whether the growth lever is somewhere else entirely: sometimes the same money does more by raising prices after the peak than by buying one more click.

liquidation: advertising as the cost of recovering capital

The fourth stage is the least planned and the one that quietly moves the most money. A product in liquidation — discontinued, overstocked, past its season, or piling up storage cost — is no longer measured by margin: it’s measured by capital recovered per week.

The arithmetic changes shape here. If you hold 300 units of a product you won’t restock, the product cost is sunk: you’re not getting it back except by selling. What does keep running is storage, the risk of the unit getting damaged or becoming unsellable, and the capital tied up that isn’t buying what actually turns. In that context, an ACoS that would be unacceptable in maturity can be a perfectly rational decision, because the alternative isn’t selling at a better margin: it’s not selling.

The practical criterion is to put a number on the comparison. What it costs you to hold those units one more month — storage, capital, obsolescence risk — against what it costs to accelerate the exit with ads and discount. If the second is smaller, aggressive spend is justified. If it’s larger, the problem isn’t fixed with ads: it’s fixed with a price decision, or by taking the loss and freeing the space.

Two cautions. First: liquidating with aggressive advertising a product you will restock trains your demand to wait for the discount, and that damage outlasts the liquidation. Second: liquidation advertising has an expiry date — when inventory drops to the level you wanted, it gets switched off; leaving it running turns a tactical decision into a permanent leak.

which stage each SKU is in and what target it deserves

Stages aren’t a calendar: they’re a state. A product can spend two years in growth and another can fall into liquidation within six months. What tells you which one it’s in is a handful of signals you already have:

• Sales velocity and its trend. A product that’s accelerating is in growth; one that flattens is in maturity; one that’s falling with high inventory is probably already in liquidation even if nobody has said it out loud.
• Share of organic vs ad-attributed sales. If nearly everything it sells comes from ads, it’s still in launch no matter how many months old it is.
• Inventory coverage. This is what separates growth from liquidation at the same sales level: lots of stock plus falling demand is liquidation.
• Turnover. Worth reading alongside the rest, as the analysis of inventory turnover and what range is healthy explains.

Once the stage is clear, the target stops being an account number and becomes a product number. And that number comes from exactly one place: that SKU’s contribution.

An example with invented figures that add up. A product you sell for 1,160 pesos including VAT: the pre-tax price is 1,000. Subtract 420 of product cost, 130 of category referral fee, 95 of fulfillment and 25 of returns provision. That leaves 330 of contribution per unit before advertising: 33% of the pre-tax price. That 33% is your break-even ACoS, the absolute ceiling. The four stages for this particular product derive from it: in maturity you might demand 10-12% so most of those 33 points reach the bottom line; in growth you can work comfortably around 18-22% while volume grows; in launch you can accept going past 33% for a bounded period, knowing you’re paying for information; and in liquidation the ceiling is no longer contribution but how much capital you recover per week.

Notice what just happened: all four targets came from one number of your own, not from someone else’s benchmark. A product with 14% contribution would have four completely different targets under the same reasoning. That’s why a single target ACoS for the whole account can’t work: there isn’t one ceiling, there’s one per product.

Glossary: real net margin is what’s left after ALL costs — product, fees, shipping, returns, tax and advertising — not just price minus cost.

how this reads in iqseller

Everything above depends on a number that’s almost never at hand when a bid gets decided: what each SKU truly leaves before advertising. In the panel, the Profitability module builds it from the COGS you load, the commissions that come from the Amazon settlement and from MercadoLibre orders, FBA and Full fees, shipping, and the VAT and withholding breakdown. That’s the ceiling the four targets come from.

The stage reads right next to it, not in another tab. Inventory and Forecast show coverage, sales velocity and what will happen to stock if demand holds; that’s what separates healthy growth from a product about to run out in three weeks, and what identifies the liquidation candidate before storage eats it. Pricing enters when the decision isn’t an advertising one but a price one, which in maturity and liquidation is half the time.

And because the Parent → Model → SKU tree is unified, the stage can be read at the right level: the full model when you split monthly budget, the specific size or color when you decide that this particular SKU has entered liquidation even though its siblings keep growing. Alerts flags movement — coverage falling, margin degrading — so the review doesn’t depend on somebody remembering.

how to split next month’s budget

A short procedure, doable in one sitting:

1. List your SKUs with their contribution per unit before advertising. Without that number, everything else is guesswork.
2. Classify each one into one of the four stages using velocity, trend, organic share and coverage. Don’t do it by age.
3. Assign each stage a target derived from that product’s contribution, not an account-wide target.
4. Put a ceiling and a date on anything in launch, and a ceiling and a shut-off condition on anything in liquidation.
5. Review the following month which products changed stage and move the budget behind them.

That last step is what turns this into a system rather than a template. Stages move; budget should move with them. A catalog where the spend split is identical three months running is almost always a catalog nobody is watching.

The principle that survives once the details fade is this: advertising isn’t judged on its own. It’s judged against what it leaves for the product financing it, and that product isn’t the same at every stage of its life. A 30% ACoS can be excellent in a planned launch, reasonable in a well-calculated liquidation and a clear leak on a mature product. The percentage didn’t change: what you were buying with it did.