Sets: the add-on category most shops ignore

Every retailer we work with who sells single charts eventually asks what else to put next to them. The answer is usually not another single. It is a set — the same designs, sold as one purchase, which lifts the basket and gives the customer a wall instead of a piece.

Why sets work next to singles

• They share the artwork and the printing process, so the range reads as one brand rather than two.
• A curated set solves the hardest part of buying art — deciding what goes together.
• Sets pack in a single carton, so receiving and storage stay simple even for a one-person shop.
• They sell to a customer singles do not — the gift buyer and the person furnishing a whole room at once.

The margin structure is different

A single chart carries a higher percentage margin; a set carries a higher cash margin per transaction and a slightly lower percentage. That trade is usually worth taking, because a set uses shelf space you have already paid for and turns one decision into four units sold.

The right place for them is the anchor position in the wall group — the set draws the eye, and the singles beside it explain what is inside. They are a destination and an upsell at the same time.

How to open the category without overbuying

1. Start with one curated four-piece set and one two-piece set rather than deep stock of five.
2. Build sets from designs that already sell as singles — the appeal is proven before you bundle it.
3. Watch attachment rate, not just sell-through: the real signal is a customer buying a set and a single in the same order.
4. Only then add a second curation, such as an all-astronomy set or an all-philosophy set.

“The set sells at four times the price of a single and we shift almost as many of them. It also brings in people who were never going to pick one chart off the wall.”

— [Buyer name], gift and home retailer, [Copenhagen, DK]