20% Off
20% off
20% Off Storewide at Major Surplus
20% chance
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Save at Major Surplus with verified coupon codes, promo codes and exclusive offers.
6
Codes
1
Verified
20% Off
Best Deal
Updated Aug 15, 2026 · 1 verified
Best code right now
10% off
Daily average across every live code, tracked automatically — not a one-time snapshot.
32%
1/6 strong
More codes — may have expired
20% off
20% Off Storewide at Major Surplus
15% off
15% Off Storewide at Major Surplus
10% off
10% Off Storewide at Major Surplus
Knife Free
Knife Free Storewide at Major Surplus
Special Offer
Get Free Shipping Orders of $100+ at Major Surplus (Site-Wide)
TrulyThrift currently tracks 6 Major Surplus coupon codes, of which 1 is verified working. The best available discount right now is 20% Off. Page last verified Aug 15, 2026.
Save at Major Surplus with verified coupon codes, promo codes and exclusive offers.
Visit Major Surplus ↗| Offer | Discount | Type | Status |
|---|---|---|---|
| 10% off | 10% Off | Percent | Verified |
| 20% off | 20% Off | Percent | Unverified |
| 15% off | 15% Off | Percent | Unverified |
| 10% off | 10% Off | Percent | Unverified |
| Knife Free | Deal | Code | Unverified |
| Special Offer | Free Shipping | Shipping | Unverified |
Truly Thrift verifies Major Surplus codes through a three-layer system: automated checkout testing, cross-source corroboration, and real shopper reports. Verified codes show a green badge; other codes show their recent chance of working. Code health is a per-code reliability score built from that evidence — right now the 6 codes listed for Major Surplus carry an average code health of 32%. Read our full verification process for details across every store.
Direct checkout testing currently covers Shopify storefronts, with more platforms rolling out over time. Until Major Surplus is covered, Layers 2 and 3 below carry more of the weight for this store's codes.
For codes we can't test directly, we check whether independent coupon listings still show the same code as active. If independent sources agree a code is gone, we downgrade or hide it — even before a shopper reports back.
Every "Worked" / "Failed" button on this page feeds straight into these codes' scores. No shopper reports have come in for Major Surplus this week yet — yours would be the first.