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Wholesale Guide

Testing Mod Consistency Across Three Batches — Online Sellers

Published 2026-06-18 · 7 min read · by the VapeWholesaleHub sourcing team

Most first time importers of mod ask the same five questions. This page answers them in the order they usually arrive, with the numbers we quote internally rather than round marketing claims.

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

Quality Control in Practice

Random checks are fine, but weight the sample towards the start and end of a mod production run. Those are where a line is most likely to drift.

Random checks are fine, but weight the sample towards the start and end of a mod production run. Those are where a line is most likely to drift.

What Mod Really Costs Landed

Compare mod quotes on the same incoterm. A price that looks better because it excludes a cost you assumed was included is not a saving at all.

Indicative reference points for planning purposes: entry tier from USD 1.61 per unit at 1000 units, mid tier at USD 1.49, and volume tier at USD 1.16 for full container quantities. These figures move with specification, packaging and freight, so treat them as a shape rather than a quote.

Reading a Mod Spec Sheet

Revisit the mod specification after every third order. Small improvements compound, and factories take a buyer more seriously when the document has clearly been used.

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 categoryAccessory
Resistance band0.6 - 0.8 ohm
Capacity tolerance+/- 2%
Puff count methodMachine cycle 2s on / 18s off
Master carton200 units
Carton weight3.6 kg
Shelf life24 months
Storage15-25 C, dry, away from direct light

Merchandising and Listing Tips

Staff knowledge moves mod more than any fixture. A two minute explanation of the difference between this line and the one next to it converts a browsing shopper into a repeat buyer far more reliably than a discount.

Freight, Customs and Timing

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.

Carton dimensions for mod are a design decision, not a packing afterthought. A few centimetres on the master carton can change how many units fit a pallet, and that repeats on every order.

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

Where Mod Sits in the Range

Decide early whether mod is a traffic driver or a margin line in your store. The answer changes how you price it, where you place it and how hard you push it at the counter.

Range decisions for mod should start from shelf space, not from a supplier catalogue. Count the facings you actually have, then decide how many of them this line deserves against what it currently earns.

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.

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.

Can I mix strengths in one order?

In most cases yes, as long as each strength meets the minimum run length. Mixed strength cartons are popular with retailers building their first display because they show the full ladder without over committing.

Is there a warranty on mod?

Manufacturing defects are covered against the retained sample standard. Normal wear, misuse and damage after opening are not. We publish the threshold in the order terms so both sides know exactly what the claim process looks like.

Next Step

Whatever you decide, decide it against numbers you can check on arrival. That single discipline removes most of the risk from importing mod.

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