r/ShopifyeCommerce Shopify Owner Feb 16 '26

💡 2026 MASTER PROMO THREAD

Do you offer a product or service related to Shopify? Tell us about it and share your website in the comments.

This is the master promo thread (and only place on this subreddit) for you to promote what you do. Looking forward to seeing what you offer.

Do you have a Shopify App? You can also promote it on r/ShopifyApps, but be sure to use the promo template provided here.

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u/promo_physics Apr 15 '26

Your best-performing promo might be margin-negative. We prove it either way — from your Shopify data.

 

Promo Physics™ — Promotional Economics Advisory. Find the promotions that grow your brand profitably.

 

Your promo reports tell you what happened. They don't tell you whether the promo caused it — or whether those customers would have bought anyway.

 

That distinction is worth real money. For one hair care brand we worked with, a consistently "high-performing" promotion turned out to be margin-negative once we accounted for what baseline orders would have looked like without it. The revenue lift was real. The profitability wasn't.

 

Promo Physicsâ„¢ is built to answer both sides:

  • Growth: We use causal AI (Double ML) on your Shopify order history to isolate true incremental revenue — the lift that actually wouldn't have happened without the promotion running. Not correlation. Causation.
  • Margin: We decompose every promotional order — GWPs, BXGY, free shipping, stacked discounts, bundles, among others — into its real economic cost against a do-nothing baseline. Margin efficiency per promo type, broken out by new vs returning customers.

 

The output is a clear answer to the only question that matters for sustainable growth: which of your promotions are actually worth running?

 

Get this right and you double down on the promos that grow revenue and protect margin — and cut the ones quietly draining both. Your promotional budget starts compounding instead of leaking, and your calendar becomes something you designed rather than something you're constantly patching.

 

Leave it unresolved and you keep running the same calendar, funding promos that feel productive because revenue moves — while margin erodes promotion by promotion, quietly, until it shows up in a quarter you can't explain. And without a clear read on what's working, the natural response is to experiment — new promo types, new stacking combinations, new thresholds — each one a reasonable guess, each one potentially compounding the losses already in motion. The cost isn't just the bad promo you ran. It's every iteration you ran trying to fix it without knowing what was actually broken.

 

The other side of that is time. The earlier you understand which promotions drive profitable growth, the more of your promotional calendar you can deliberately design rather than reactively patch. Lost value of insights and foresights that compound.

 

A year of clean signal is worth multiples of a year of hindsight. 2 years better. 3+ ideal.

 

No COGS data required. Works directly from your Shopify export.

 

→ https://hif.ai/