Inventory by store type

Inventory management for Shopify phone accessory stores

Phone accessory stores live or die on variant count. One case style times ten phone models times four colors is forty SKUs before you even add screen protectors. SteadyShelf keeps each one at the right stock level without you checking spreadsheets.

The inventory problems phone accessory stores run into

  • Variant explosion. a single case design can split into dozens of SKUs across phone models, colors, and sometimes MagSafe or non-MagSafe versions, so manual reordering per SKU does not scale.
  • New phone launches. when a manufacturer releases a new model, you need cases and screen protectors in stock fast, but demand for old models does not vanish overnight either.
  • Dead models mixed with live ones. you end up holding stock for phone models that stopped selling well while chasing the new ones, tying up cash in slow movers.
  • Cheap, high MOQ suppliers. many overseas suppliers require large case packs or minimum order values per SKU, which is awkward when each variant only sells a few units a week.
  • Chargers and cables look identical but are not. different wattages, connector types (USB-C, Lightning), and cable lengths create near-duplicate SKUs that are easy to mix up when reordering.

Seasonality and demand

The biggest peak follows new phone model announcements, usually once a year per major brand, when demand for compatible cases and screen protectors spikes fast and then settles. Back to school and holiday season (November and December) also push volume on chargers, cables, and gift-friendly accessories like AirPods cases. Plan ahead of announced launch dates by pre-ordering cases for the new model based on your sell-through history for prior launches, and start trimming orders for the outgoing model a month or two before the new one lands. Build safety days into your holiday reorder points since carriers get busier and lead times can stretch.

Suppliers, lead times and minimums

Most phone accessory sellers buy from overseas manufacturers or trading companies in Asia, with case packs often set per color or per model and MOQs that can run from a few dozen to a few hundred units per SKU. Some sellers also use domestic distributors for faster restocks on popular models, at a higher per-unit cost but shorter lead times. Lead times from overseas suppliers often take several weeks, while domestic distributors can usually turn around an order much faster. New phone model accessories sometimes require pre-order commitments before the phone itself ships.

Worked example

Say you sell a clear case for a popular phone model and average 6 units a day. Your overseas supplier has a lead time of 20 days and you keep 5 safety days, so your reorder point is 6 x (20 + 5) = 150 units. You want 30 days of cover on top of lead time, so target stock is 6 x (20 + 30) = 300 units. You currently have 80 on hand and 40 already on order, so order quantity is 300 - (80 + 40) = 180 units, which SteadyShelf rounds up to 200 to match the supplier's case pack of 50.

Try it with your own numbers in the reorder point calculator, or size your buffer with the safety stock calculator.

A simple system to start this week

  1. List every SKU with its supplier, case pack size, and lead time, including separate entries for each phone model and color.
  2. Set safety days higher for new or unproven phone models since sales history is thin.
  3. Review slow-moving older phone model variants monthly and cut reorder quantities before they turn into dead stock.
  4. Flag upcoming phone launches on your calendar and adjust forecasts manually for the first few weeks, since SteadyShelf forecasts from your own sales history.
  5. Approve draft purchase orders promptly during peak season so emailed POs reach suppliers before lead times stretch further.
  6. Receive stock into Shopify as it arrives, including partial shipments, so forecasts stay accurate for the next order cycle.

How SteadyShelf fits phone accessory stores

SteadyShelf handles the SKU sprawl of cases, chargers, and cables by forecasting and reordering each variant on its own schedule, which matters a lot in this vertical. It does not do bundles, so if you sell a case-plus-screen-protector bundle as its own listing, you will need to forecast and order the components separately. It also will not sync stock across multiple sales channels or warehouse locations, so if you sell on Amazon or have more than one storage location, you will need another tool or manual process for that part.

$29/month flat, unlimited products and suppliers, 30-day free trial.

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More: inventory management by store type · inventory glossary · Stocky alternatives

FAQ

Can SteadyShelf predict demand for a brand new phone model before I have sales history?

No. SteadyShelf forecasts from your own past sales, so a brand new SKU has nothing to forecast from yet. For new phone model launches, set an initial order quantity manually based on how similar past launches performed, then let SteadyShelf take over once a few weeks of sales data build up.

Do phone cases or screen protectors expire, and does SteadyShelf track that?

Phone accessories generally do not have an expiry date the way food or cosmetics do, but SteadyShelf does not do lot or expiry tracking regardless. If you deal with anything time sensitive, like adhesive-backed screen protectors that can degrade in storage, track that manually or in a separate system.

I sell cases as bundles with screen protectors. Will SteadyShelf manage that?

No. SteadyShelf does not handle bundles or manufacturing style BOM logic. You will need to forecast and reorder the case and the screen protector as separate SKUs and manage the bundle listing yourself in Shopify.

Let SteadyShelf do this math for every SKU

Order-by dates per supplier, seasonal forecasts and draft POs for your Shopify store. $29/month after a 30-day free trial.

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