
Loss Leaders Explained: Why Stores Sell Some Items Below Cost
The cheap chicken, the discounted detergent, the fuel-priced milk — here is how the math works, and where the store gets it back.

The cheap chicken, the discounted detergent, the fuel-priced milk — here is how the math works, and where the store gets it back.


Parcels mailed from abroad now face duty from the first dollar as of August 29, 2025, closing the loophole that built the bargain-app era.

Travelers returning to the US get an $800 personal exemption, and textiles are the category most likely to owe duty above it.
The personal exemption is still $800 for most trips as of August 20, 2026 — but shipping your purchases home instead of packing them now works differently.
The personal customs allowance for travelers hasn't changed, but the rules for shipping purchases home just did. Here's the math for both.

Many store brands come off the same factory lines as name brands — retailer private label hit over $270 billion in US sales in 2024, and knowing which categories to switch saves 20–40%.

Costco's merchandise margins run near 11% while membership fees brought in $4.8 billion in fiscal 2024 — the fee business model, and when the math works for a family.

Direct-to-consumer brands skipped wholesale — and mostly kept the margin: a $95 DTC sheet set often costs $12–$20 to make and ship, with the savings spent on Facebook ads instead.

That tiny tag inside the collar is why your size shows in stock online: RFID lets a store read hundreds of items a second, and by 2025 it was standard at major apparel chains.

Most returning travelers get $800 in duty-free purchases before Customs starts charging. Here's how that number actually works, what counts against it, and what happens if you go over.


A category-by-category verdict on flea market shopping — where prices genuinely beat retail, and where the stall is the most expensive store in town.

NRF projects record back-to-school and college spending of $146.8 billion through September, while Deloitte's survey finds K-12 spending falling 6% to $557 per student.

Prime Day 2026 ran June 23–26 — four days, the earliest ever — leaving mid-July without its usual anchor sale and shifting the summer deal calendar.

The Census Bureau's May report, released June 17, showed retail sales up 0.9% month over month against forecasts near 0.5% — with gasoline and online categories leading.


Most shoppers bring home more than $800 in purchases and never pay a dime — here's the exemption math, the flat-rate duty above it, and what trips you up at the border.

JNTO estimated 3,148,600 international arrivals in June 2026 as Japan's inbound wave keeps spending more per visitor, with shopping among the largest categories of that spend.