Product Bundles vs Discounts: What Actually Grows Your Average Order Value?

Want to sell more without increasing your ad budget? Instead of looking for new customers, it's worth first squeezing more value out of the ones already in your store. Discounts and product bundles are the two most popular strategies for increasing AOV (average order value) - but they work in completely different ways, carry different costs, and have different consequences for your brand. This article will help you decide which one to use, and when.

What is AOV, and why is it worth increasing?

Before we get into strategy - one sentence on what we're actually measuring. AOV (Average Order Value) is total revenue divided by the number of transactions. If your store generated 45,000 PLN this month across 300 orders, your AOV is 150 PLN. That's it.

Why does it matter? Because a 20% increase in AOV with the same number of transactions means a 20% increase in revenue - without spending an extra złoty on advertising. In Poland, the average e-commerce order value in March 2025 was around 204 PLN, up 3.2% year over year. Stores that actively implement product bundles and cross-selling consistently post higher AOV than those relying solely on discounts.

You can check your AOV in Google Analytics 4 under Reports → Monetization → E-commerce purchases.

Discounts - when they help, and when they hurt

A discount is the fastest way to increase the number of transactions, but not necessarily to raise AOV - and a poorly designed promotion can actually lower profitability.

Discounts work in two ways. The first is a threshold discount - "free shipping over 200 PLN" or "10% off orders over 300 PLN." This model genuinely increases AOV, because the customer deliberately adds products to the cart to cross the threshold. The second is a simple percentage discount on a specific product or category - here you sell more units, but not necessarily more per order, and you do it at a lower margin.

There's one problem with discounts: customers get used to them. A store that regularly runs 20% discounts trains its buyers to wait for a promotion instead of paying full price. In the long run, this lowers the brand's perceived value and makes it harder to sell outside of sale periods.

A discount makes sense in three situations: when you want to quickly clear excess stock, when you're building a minimum order value threshold (free shipping, a gift with purchase), or when you use it as a one-off - seasonally, not as a permanent part of your offer. In every other case, it's worth reaching for a different tool.

Product bundles - why they sell better than discounts

A product bundle combines several items into a single offer - often with a small discount or added value. The customer buys more because they see the sense in it, not because the price dropped.

This is a key distinction worth understanding before deciding what to implement. A discount says: "cheaper." A bundle says: "you have everything you need." The first message works once and requires another discount at the next purchase. The second builds a habit - a customer who once bought a starter facial care set will look for it again on their next visit, rather than waiting for a promotion.

Bundles increase AOV for two reasons:

• They remove the decision barrier. The customer doesn't have to pick out accessories, add-ons, or matching products on their own. A "camera + memory card + bag" bundle sells better than the same products sold separately, because it answers a complete need. The less the customer has to think, the faster they buy.

• They increase perceived value without lowering the unit price. A bundle priced at 199 PLN, where the sum of the individual products is 230 PLN, looks attractive - but the margin on the bundle can still be higher than on a single product sold with a 20% discount.

Which type of bundle should you choose?

• Fixed bundle - a ready-made set with a fixed composition and a single price - the simplest starting point. It works well for products that naturally go together: shampoo with conditioner, coffee with a mug, a notebook with pens. Easy to implement on any platform, and easy to promote in ads and on social media. If you're just starting out with bundles, start here.

• Dynamic bundle - the customer picks the variants within the bundle themselves (color, flavor, size, quantity) - it creates a sense of personalization and works well with a broad product range. A tea shop could offer a "choose 4 flavors" bundle instead of forcing a fixed selection. It requires more technical setup, but converts better, because the customer feels the bundle is theirs - not a take-it-or-leave-it offer.

• Quantity bundle - "buy 3, pay for 2" or a lower per-unit price on a larger order - ideal for consumable, regularly reordered products: supplements, cosmetics, office supplies, pet food. The customer knows they'll buy it anyway - you just give them a reason to buy more right away.

Upselling and cross-selling - how to implement them in your store

Upselling and cross-selling are two mechanisms that work best when the customer has already decided to buy - exactly the moment when it's hardest for them to say no.

With upselling, you show a better version of what the customer is currently looking at. A customer is browsing headphones for 199 PLN - you show them a 299 PLN model with a better microphone and longer battery life. It's not about pushing a more expensive product - it's about making sure the customer even knows a better option exists. Often they simply haven't checked higher up in the category.

With cross-selling, you suggest products that complement what the customer is buying. A laptop plus a bag and a mouse. A camera plus a memory card. It's the same thing any good salesperson does in a brick-and-mortar store - except in e-commerce you have to automate it. The classic "Frequently bought together" module known from Amazon works on exactly this principle, and it reaches the customer at precisely the moment of purchase decision.

Cross-sell and upsell suggestions work best in four places: on the product page right below the description, in the cart before checkout, on the order confirmation page, and in a post-purchase email with a complementary offer. Each of these spots reaches the customer at a different decision-making moment - it's worth testing which one performs best in your store.

One rule worth sticking to: don't suggest more than 3 products at once. Too many options paralyze the decision. And make sure the context makes sense - "add a mouse to go with this laptop" makes sense. "Add an umbrella to go with this" doesn't - and inconsistent recommendations like that actively erode trust in your store.

The free shipping threshold - an underrated AOV strategy

If you don't already have a free shipping threshold, it's probably the fastest change you can make today to raise your AOV.

The mechanism is simple, but works surprisingly well: set the threshold 20-30% higher than your current AOV. If your average order is 150 PLN, a threshold of 199 PLN will get customers looking for something extra to add to their cart so they don't have to pay for shipping. It's worth giving them a hand with that - a dynamic message in the cart such as "You're 37 PLN away from free shipping," paired with specific product suggestions, works much better than just stating the threshold.

This is a strategy that doesn't cut into your product margin - you're covering the shipping cost of orders that would have happened anyway, except now they're worth a few dozen złoty more.

Bundles vs discounts - which should you choose?

Both strategies serve different purposes. Here's a practical comparison:

	Product bundles	Discounts
Goal	Lasting AOV and margin growth	Quick sales boost or stock rotation
Impact on margin	Neutral or positive	Lowers unit margin
Long-term effect	Builds offer value and purchase habits	Makes customers dependent on promotions
When to use	Continuously, as part of the offer	Seasonally or as a one-off
Best form	Fixed, dynamic, or quantity bundle	Order value threshold, free shipping

The best results come from combining both. Permanent product bundles as part of your offer, plus threshold discounts (free shipping, a gift with purchase) instead of straightforward price cuts. This combination increases AOV without eroding margin or the brand's perceived value.

How do you measure the effectiveness of these strategies?

You make changes - you measure the results. Without data, you don't know whether a strategy is working, or whether it just feels like it's working.

The basic metric is AOV before and after implementing bundles or changing the shipping threshold. You can check it in GA4 or your e-commerce platform's panel. Note the baseline value before you make any changes - without a reference point, you won't be able to judge the result.

How long does it take to see results? With a free shipping threshold - even just a few days; the effect is immediate. With product bundles - a minimum of 4-6 weeks, since customers need time to discover them and build the habit. Compare the same periods year over year to avoid seasonality skewing your results.

Watch your margin too. Rising AOV alongside falling margin is a signal that discounts are eating into profit faster than revenue is growing. That's why it's worth analyzing AOV together with margin per order, not just cart value on its own.

It's also worth tracking which bundles sell best and where the traffic to those products comes from. If you want a fuller picture of what's happening in your store, an online store audit can point to specific places where you're losing revenue - not just in terms of AOV, but also UX and product description mistakes that hold back conversion.

FAQ - frequently asked questions

• How do I calculate AOV for my store? AOV = total revenue ÷ number of transactions in a given period. If your store generated 50,000 PLN over a month across 400 orders, your AOV is 125 PLN. You'll find this data in GA4 (Reports → Monetization) or in your sales platform's panel.
• How much cheaper should a bundle be than the sum of its individual products? There's no fixed rule, but a discount in the 5-15% range is usually enough for the customer to feel the benefit while you still keep your margin. With bundles, it's not just about the lower price - convenience (everything in one place) and completeness of the offer matter too.
• Do product bundles work in every industry? They work best where products naturally complement each other: cosmetics, electronics, clothing (outfits), children's products, food, supplements. In industries with independent products (e.g. furniture), style- or collection-based cross-selling tends to work better than a classic bundle.
• Do discounts hurt a brand's image? Frequent, deep discounts (above 20-30%) lower a product's perceived value and teach customers to wait for a sale. One-off or seasonal promotions, when well framed, don't hurt - if anything, they can build loyalty. The problem arises when a discount becomes a permanent part of your pricing strategy.
• Where should I start if I want to introduce bundles in my store? Start by analyzing your data - which products are most often bought together? GA4 or your e-commerce system's cart report will answer that question. Then create 2-3 test bundles, set them up as separate products or highlight them on product pages, and measure results over 4-6 weeks.

If you want to implement bundles or a cross-selling strategy in your store and don't know where to start - book a free consultation and we'll work together to find a solution tailored to your product range.

Fill out the contact form