CS-Cart guide · Advanced Promotions

Buy X get Y and tier deals in CS-Cart.

Buy 2 get the cheapest free, every third item half price, 10% off from 3 items and 15% from 5, lunch-hour deals on weekdays. New conditions and bonuses inside the promotion editor you already use.

Get Advanced Promotions: Buy X Get Y, Tiers, Schedules from $99 Shop add-ons

v1.0.0
CS-Cart 4.17.2 – 4.21.x, Multi-Vendor
30-day refund on a first purchase

Cart lines with "Buy 2, get the cheapest free: 1 × free −$16.97" and "Volume discount: 10% off −$9.90".

Cart totals with the applied promotions.

Checkout: the order summary shows the notes per line.

Admin order details: each discounted line shows its note.

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The problem

Why core promotions stop short

CS-Cart promotions cover simple discounts and coupons. Retail classics such as "buy 2, get the cheapest free" or "every third item half price" need workarounds or one add-on per condition.

And on a marketplace, every vendor suborder has to get exactly its share of the discount.

Three ways to run retail-style deals

ApproachHow it worksTrade-off

Coupons onlyHand out codes and calculate the deal by hand.Shoppers must know the code; complex deals are impossible.

One add-on per deal typeInstall a separate add-on for BOGO, tiers and time windows.Add-ons conflict, and stacking rules become unclear.

New conditions in the core editorWhat Advanced Promotions: Buy X Get Y, Tiers, Schedules doesAdd the new conditions and bonuses to core promotions; coupons, dates and priorities keep working.Promotions stay in one place, so you still need a clear priority order.

Advanced Promotions: Buy X Get Y, Tiers, Schedules

How it works

01
Add a cart promotion
Open Marketing > Promotions and pick the new conditions and bonuses next to the core ones.
02
Choose the products
By products, categories with subcategories or Multi-Vendor vendors, with exclusions for sale items and already discounted items.
03
Shoppers see the deal
Cart, checkout and order details show a short note such as "Buy 2, get the cheapest free: 1 × free". Each vendor suborder gets exactly its share.

What you get

Buy X get Y

From the same set or another set, free or discounted, repeatable, with a limit.

Cheapest or N-th item

Cheapest item free, most expensive first, or every N-th item discounted.

Tier tables

By quantity or spend: percent off, amount off each item or amount off the total.

Time windows

Days and hours, including windows past midnight.

Limits and caps

Uses per customer by account or e-mail, and a discount cap per promotion.

Exact cents

Line discounts with taxes, coupons, currencies and Multi-Vendor suborders handled.

Made for

Fashion multi-buys
Grocery and FMCG
Bundles and accessories
Happy-hour deals
B2B volume tiers
Marketplace campaigns

Advanced Promotions: Buy X Get Y, Tiers, Schedules

Screenshots

CS-Cart

Advanced Promotions: Buy X Get Y, Tiers, Schedules at a glance

Buy X get Y, cheapest or N-th item free, tier tables, day and time windows, product sets with exclusions and per-customer limits as new conditions and bonuses of CS-Cart cart promotions. Exact to the cent, with discount notes in the cart and orders.

Get Advanced Promotions: Buy X Get Y, Tiers, Schedules from $99