USPS has implemented multiple rate increases since 2023, with each adjustment hitting Priority Mail, Ground Advantage, and First-Class packages. If you're on a shipping platform that only supports USPS, you've absorbed every single one of those hikes without any ability to respond.
The math: A 2-lb Priority Mail package that cost $8.50 to ship in 2022 now costs $11.20+. That's a 32% increase on your most common shipment type.
Why single-carrier platforms leave you exposed
Pirate Ship, Etsy's native labels, and many basic shipping tools are USPS-only (or USPS-primary). When USPS raises rates, your cost goes up. Period. You have no lever to pull.
The sellers who absorbed these hikes most painfully were the ones with tight margins — handmade goods, print-on-demand, lower-priced items — where a $1.50 increase on a $25 order represents a 6% hit to gross margin.
The multi-carrier strategy
When you have USPS, UPS, FedEx, and DHL available simultaneously, every rate hike becomes a routing decision rather than an unavoidable cost increase. The logic:
- USPS raises Ground Advantage rates → UPS Ground often becomes competitive for packages over 2 lbs
- USPS raises Priority Mail → FedEx Home Delivery becomes price-competitive on 2–3 day zones
- Regional carriers like UPS SurePost sometimes beat USPS First-Class for lightweight packages
The key is doing this automatically, for every shipment, without manual carrier selection. That's what multi-carrier rate shopping does.
What the data shows
Sellers on LogixVast who shipped exclusively via USPS before switching to multi-carrier rate shopping see an average of 15–22% savings on their shipping spend. The savings are highest for:
- Packages over 1 lb — this is where UPS and FedEx become competitive
- East-West shipments — USPS Priority Mail is slower and pricier across multiple zones
- High-volume sellers — the savings compound with volume
What to do right now
If you're on a USPS-only platform, here's the practical path:
- Apply for a FedEx or UPS account (free, takes 24 hours)
- Connect your carrier accounts to a multi-carrier platform (LogixVast, ShipStation, etc.)
- Enable automatic rate comparison — the system picks the cheapest carrier for each package automatically
LogixVast note: BYOCA (bring your own carrier account) is free on every LogixVast plan. ShipStation charges $95/month for the same feature. Factor that in when comparing platforms.
The USPS rate hike cycle isn't stopping
USPS has structural cost pressures — pension obligations, mail volume decline, and infrastructure aging — that won't resolve. The Postal Service has a mandate to raise rates annually through at least 2026. Building a multi-carrier infrastructure now means every future hike is a routing decision, not a margin hit.