How to vet a winning Shopify product before you run ads

What "winning" should mean

A product list tells you people are ordering something. It does not tell you that you can sell it at a profit. A winning product, for your store, is one you can advertise at a price that still leaves money after product cost, shipping, and the ads. Treat a daily list as proof of demand, then run the checks below before you spend anything.

Step 1: narrow the list

Open the Shopify winning products board. It refreshes daily, so a quick look every few days is enough.

• Country. Filter to a market you can ship to. A product that sells well somewhere you do not deliver is no use.
• Category. Pick an aisle you could build a store around, or a product you can explain in one sentence on a product page. If you cannot, skip it.
• Price band. Set a minimum and maximum in USD. A very cheap product often needs an unrealistic conversion rate once ads are paid for. A very expensive one needs more trust than a new store has.

Pick three or four products, not one. Most will fail the next steps, and that is the point.

Step 2: check the numbers

For each product, get a real supplier price and a shipping quote to your target country. Then use the ROAS calculator to find the money left on one order and the break-even return. Compare the money left with a realistic cost per click and conversion rate using the cost per purchase guide.

This is an example with made-up figures. A pet grooming glove sells at $24. It costs $4.50, shipping is $4.00 and the payment fee is $1.00. That leaves $14.50, so break-even ROAS is 24 ÷ 14.50 = 1.66. At $0.80 per click, a buyer must arrive from 5.5% of clicks (0.80 ÷ 14.50) for the ads to break even. Most new product pages do not convert that well.

The same glove sold as a two-pack at $39 costs $9, ships in one parcel for $4.00 and has a $1.43 fee. That leaves $24.57, and the click-to-purchase rate needed falls to about 3.3%. Often the product is not the problem. The offer is. If a bundle is the only version that works on paper, build the test around the bundle.

Step 3: see who already sells it

Search for the product name in the stores selling it, then paste a store into the winning ads spy to see the ads they are running and how long they have been live. Read the competitor ads guide for what to look for. An ad that has run for months suggests that somebody keeps paying for it.

Many sellers is not a reason to quit. It tells you the product has proven demand and you need an angle: a better bundle, clearer proof, faster delivery, or a stronger guarantee. No sellers at all deserves suspicion, because the demand may not be there.

Next, see their catalog and prices with the product export guide. Look at whether they discount the item, which variants they push, and what else they sell around it.

Step 4: check the page you would send traffic to

Run a competitor's product URL through the Shopify CRO Audit and read the score guide. You are looking for weak spots your page can beat: a missing cart offer, buried shipping or returns information, or no social proof near the button. The audit does not see their ad spend or conversion rate, so treat it as a list of ideas, not a verdict on the product.

Questions to ask before you commit

Numbers on a spreadsheet are only as good as the answers behind them. Before a product gets a page, get these in writing from the supplier or the fulfilment partner:

• Delivery time to the country you will sell in, and what happens when a parcel is late or lost.
• Who handles returns, and whether returned units can be resold.
• Stock. A product that goes out of stock the week an ad takes off wastes the spend.
• Minimum order and price breaks, since a better unit cost changes the break-even.
• Rules for your market. Cosmetics, electronics, children's products and food often have labelling or safety requirements. Check what applies where you sell before you list.

A five-line scorecard

Write one line for each product. If any answer is no, the product does not go to a test yet.

1. Is there demand in a country I can ship to?
2. Does one order leave enough, after product, shipping and fees, for a realistic ad cost?
3. Can I name a reason a shopper would buy from me instead of the stores already selling it?
4. Can the supplier deliver in a time shoppers will accept?
5. Can I explain the product in one sentence and show it in a short video?

Step 5: run a small test

1. Decide the most you will lose before you start, and write it down.
2. Launch one product page with one offer and two or three creatives.
3. Judge it against the break-even ROAS you worked out in step two, over enough days to smooth out the noise.
4. Stop if it fails. Move to the next product on your list.

What to do with the result

A test ends one of three ways. Write down which one before you start, and what you will do about each.

• It clears break-even with room to spare. Raise the budget gradually and keep watching cost per purchase. Costs often rise as you spend more.
• It lands near break-even. Do not scale. Test one change at a time: a bundle, a stronger first line in the ad, or a clearer product page. Run the page through the Shopify CRO Audit for a list of things to fix.
• It falls well short. Stop, record what you learned, and take the next product from your list.

Most products fail, and that is part of the method. The aim is a short, cheap test that ends with an answer.

Common mistakes

• Treating the list as a guarantee. Your ad cost, shipping time and product page still decide the result.
• Skipping the supplier quote. The price on a list is not your cost.
• Ignoring delivery time. Long shipping raises refunds and chargebacks. Include them in your caution.
• Falling for a product with no margin. If contribution is thin before ads, ads cannot rescue it.
• Testing too many products at once. You will not learn which part failed.

Shopify questions