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Wholesale Guide

Mod Quality Control: Tests We Run Before Dispatch — Plain Language

Published 2026-05-27 · 7 min read · by the VapeWholesaleHub sourcing team

Treat mod as a repeat purchase category rather than a one off buy. That single change in framing alters almost every decision downstream, from carton size to how many strengths you list.

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

Selling Mod at Store Level

Rotate mod facing rather than price for the first month. Visibility changes sell-through more reliably than a small discount, and it does not train customers to wait for offers.

Logistics That Protect Margin

Split mod shipments across two sailings when the order is large enough. It costs slightly more but removes the risk of a single event wiping out a full quarter of stock.

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

How Mod Fits the Assortment

Category data for mod is noisier than it looks. Promotions, weather and local competition all move weekly numbers, so read three months at a time rather than reacting to a single week.

Category planning for mod works best when you map it against three shopper types: the restocker who already knows what they want, the switcher who wants something stronger, and the explorer who buys on flavour name alone.

Inspection Before Dispatch

The defect rate that matters is the one your customer experiences, not the one the factory reports. Bridge that gap by inspecting the way a customer would open the box, not the way a line worker packs it.

Pricing and 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 1.17 per unit at 500 units, mid tier at USD 0.98, and volume tier at USD 0.93 for full container quantities. These figures move with specification, packaging and freight, so treat them as a shape rather than a quote.

The Specification That Matters

Specification sheets are where a mod deal is won or quietly lost. Two samples can look and taste the same while using different coil wire, different wicking density and different tolerances on the mouthpiece. Those details decide how the unit behaves in week three rather than minute three.

A written mod specification should be short enough to read in a minute and precise enough to argue about. If a factory cannot confirm a number in writing, assume the number is whatever is cheapest that week.

Reference specification for Mod orders
Product categoryClosed pod
Resistance band1.2 - 1.4 ohm
Capacity tolerance+/- 3%
Puff count methodDeclared by capacity
Master carton120 units
Carton weight9.1 kg
Shelf life24 months
Storage15-25 C, dry, away from direct light

Practical Checklist

Frequently Asked Questions

How should mod be stored?

Cool, dry and out of direct sunlight. Heat and light are the two things that shorten shelf life fastest. Rotate stock by batch code rather than by arrival date, and keep cartons off concrete floors in humid warehouses.

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.

What if a batch does not match the sample?

Keep the retained samples from the approval stage. If a delivered batch measurably differs, we compare against the retained set and resolve it against the production record. This is why we insist on sealed retained units from every run.

Can I visit the production facility?

Yes, and we encourage it for larger programmes. Visits are most useful when you already have a draft specification, because you can then check the specific processes behind the numbers you care about.

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.

Next Step

Questions that are not answered here are usually the interesting ones. Reach out with the specifics of your market and we will answer with numbers rather than adjectives.

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