Small Business Shipping Costs: How to Control Them

Small Business Shipping Costs: How to Actually Control Them

Shipping quietly eats margin. A $28 order with $9 of real fulfilment cost is a very different business from what the sales report suggests. Here is how to measure and then cut it.

Know your true cost per parcel

Add up everything, not just postage:

• Carrier postage
• Box or mailer
• Void fill, tape, and labels
• Label printing (paper, printer amortisation)
• Pick and pack labour — even your own time, at a real hourly rate
• Returns allowance (a percentage of shipments come back)
• Damage and loss allowance

For a typical small online seller, packaging plus labour often adds $1.50-$4.00 on top of postage. If you price shipping from the carrier's rate alone, you are subsidising every order.

Dimensional weight is where the money leaks

Carriers charge on the greater of actual weight and dimensional weight. Dimensional weight is length x width x height divided by a divisor set by the carrier. That means air costs money. A light product in an oversized box can cost double what it should.

Three fixes, in order of impact:

1. Downsize the box. Right-sized packaging is the single biggest shipping saving available to most sellers.
2. Use mailers instead of boxes for anything soft or non-fragile. Poly mailers weigh almost nothing and have no dimensional penalty worth mentioning.
3. Standardise on three or four carton sizes. Fewer sizes means better bulk pricing and faster packing.

Choose the right service, not the cheapest sticker

• Lightweight, non-urgent, under about 1 lb — postal services are usually unbeatable.
• Heavier parcels, 2-20 lb — commercial carriers often win, especially with negotiated or platform rates.
• Regional, next-day — check regional carriers; they frequently beat the nationals on short-haul.

Always compare landed cost per delivered parcel, including surcharges: residential delivery, fuel, remote area, and peak-season surcharges can add 20-30% to a headline rate.

Get better rates

• Use a shipping platform that aggregates commercial rates; even low-volume sellers get discounts well below retail counter prices.
• Print labels yourself. Counter drop-off with a pre-printed label is cheaper and faster than queueing.
• Consolidate pickups to one scheduled collection instead of ad-hoc trips.
• Once you ship consistent volume, ask for a rate review. Carriers negotiate at lower volumes than most sellers assume.

Set a shipping policy customers accept

Three workable models:

• Free shipping over a threshold. Set the threshold just above your average order value to lift basket size. Build the cost into the product price.
• Flat rate. Simple and predictable; only works if your parcels are consistent in size and weight.
• Live calculated rates. Fairest for mixed catalogues, but shows customers a number that can shock at checkout.

Whatever you choose, state the cost early. Surprise shipping cost at the final step is the most common cause of abandoned carts.

The equipment worth buying

• Thermal label printer — 4x6, direct thermal, no ink. Pays for itself in months if you ship daily.
• Digital shipping scale — guessing weights costs money in adjustment fees.
• Tape dispenser and a proper cutter — small, but it changes packing speed.
• Standardised mailers and cartons bought in bulk, not from the corner shop.

See our shipping supplies guide for the categories worth stocking.

Handle returns deliberately

Returns are shipping cost twice plus labour. Reduce them at the source: accurate photos, exact dimensions in the listing, sizing detail, and protective packaging. Then decide who pays for the return leg and say so plainly on the product page. Ambiguity here costs more in support time than the postage.

Measure it monthly

Track two numbers every month:

1. Fulfilment cost as a percentage of revenue — most small sellers should aim under 10-15%, depending on category.
2. Average cost per parcel — watch this after any packaging change.

Log each order's shipping cost alongside the sale in ExpressBizTools so gross margin reflects reality rather than the sticker price. Then use the profit margin calculator to see what your margin looks like once fulfilment is included.