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Wholesale Guide

Mod Emissions and Leak Testing Methods — New Distributors

Published 2026-01-13 · 5 min read · by the VapeWholesaleHub sourcing team

Mod has moved from a niche listing to a category that most vape retailers simply have to carry. That popularity brought a flood of near identical offers. This guide explains how to separate a repeatable supply chain from a lucky sample.

Mod product overview
Reference view of the mod line prepared for wholesale evaluation.

Where Mod Sits in the Range

A tight mod range with deep availability usually outsells a wide range with thin stock. Customers who find their line in stock come back; customers who are told to wait do not.

Mod sits at an interesting point in the assortment. It is familiar enough to be an impulse purchase and specific enough to build a repeat pattern around. Treating it as either pure commodity or pure specialty both lead to poor results.

Trends Worth Watching

One shift worth planning for: shorter mod reorder cycles with smaller average drops. It favours suppliers with flexible production slots over those who only want large annual commitments.

Mod demand trend
Assortment mix observed across repeat mod orders.

Selling Mod at Store Level

Keep the mod range tidy. A half empty shelf reads as a dying line, and customers interpret it that way faster than any signage can correct.

What to Fix Before Approving Mod

Where possible, tie part of the mod payment to inspection against the written spec. It focuses attention on the numbers rather than on the relationship.

Reference specification for Mod orders
Product categoryPod system
Resistance band0.8 - 1.0 ohm
Capacity tolerance+/- 5%
Puff count methodMachine cycle 2s on / 18s off
Master carton240 units
Carton weight11.5 kg
Shelf life18 months
Storage15-25 C, dry, away from direct light

Modelling a Healthy Margin

Tiered pricing works best when the tiers match real customer behaviour. Most mod buyers will take the second tier if the step is modest and the third tier only if they can see a genuine reason to hold more stock.

Indicative reference points for planning purposes: entry tier from USD 1.65 per unit at 2000 units, mid tier at USD 0.73, and volume tier at USD 1.23 for full container quantities. These figures move with specification, packaging and freight, so treat them as a shape rather than a quote.

Getting Mod to Your Warehouse

Consolidating mod with other lines is often the biggest single saving available to a mid size importer. The unit cost does not change but the landed cost does, sometimes materially.

Track mod landed cost per unit as a running number, including duty and local delivery. It is the only figure that tells you whether a supplier change actually improved anything.

Mod logistics and packing
Master carton configuration used for mod shipments.

Practical Checklist

Frequently Asked Questions

What does a sample pack usually include?

A typical mod sample pack covers the strengths or variants you are most likely to list, packed so you can evaluate them side by side. Tell us which lines you are considering and we will match the pack to that rather than sending a generic selection.

What is the usual minimum order for mod?

For a standard production run the minimum is normally one master carton per flavour, though mixed cartons can be arranged for a first order. If you are testing the line, ask about a sample pack first and treat the freight as part of your research budget.

What information do you need to quote?

Target specification, approximate quantity, destination and any packaging requirement. With those four we can usually come back with a costed option the same working day rather than a request for more information.

Can the packaging be customised?

Yes. Most mod programmes use private label packaging once volumes justify the printing plate. We supply dielines, check your artwork for print issues and hold approved files so reorders need no new setup.

How are price changes handled on repeat orders?

{K} pricing is reviewed against input costs and volume rather than adjusted casually. Any change is confirmed in writing before the next order is scheduled, with the reason stated so you can judge it yourself.

Next Step

The best mod programmes we see are run by buyers who write things down. Specifications, batch records, complaint thresholds - the paperwork is the advantage.

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