Live on the Shopify App Store

Your product is profitable.
Until customs opens the box.

Duty, VAT, levies and fees quietly take 35–60% more than the AliExpress price suggests. DSI shows your real landed cost for 15 markets — before you spend a cent.

15 markets pre-configured Audited duty tables 3 free checks/month
Landed cost · Johannesburg ● LIVE MATH
LED ring light · AliExpress$10.00
Shipping CN → ZA$5.00
Customs duty 20%−$3.00
VAT 15% on uplifted value−$2.93
Clearing + levies−$8.00
Payment fees 2.9%−$1.31
Real profit @ $45$14.77
the green sliver is what you keep
Scroll
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markets pre-configured
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currencies, your money
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cost layers per calculation
~0s
from URL to real margin
The autopsy

Scroll. Watch $30 of "profit"
become $14.77.

One real product: a $10 LED ring light, shipped from Shenzhen, sold in Johannesburg for $45. The left panel is your money. Keep scrolling.

Your margin · live
$30.00
The spreadsheet version
Product + shipping Customs duty VAT (compounded) Levies + clearing Payment fees What you keep
STEP 01 · THE DREAM

$45 sell − $15 cost = $30 profit

This is the math in every "winning products" video. Supplier price plus shipping, times three. It feels safe. It's also the last moment this number will look this good.

STEP 02 · THE BORDER

Customs duty: −$3.00

South Africa applies ~20% duty on the customs value of the goods plus shipping. Every market is different — Kenya runs 25%, Nigeria varies by HS code. Your spreadsheet didn't know that.

STEP 03 · THE COMPOUND

VAT on top of the duty: −$2.93

Here's the trap: VAT isn't charged on your product price. It's charged on the value including duty — and SARS adds a 10% uplift first. The percentages don't add. They stack.

STEP 04 · THE FINE PRINT

Levies and clearing: −$8.00

Clearing agent fees, handling, the country-specific levies nobody mentions — Kenya's IDF and RDL, Nigeria's CISS and ETLS, India's SWS. Flat fees hit small parcels hardest.

STEP 05 · THE TOLL

Payment fees: −$1.31

2.9% to the gateway on the full selling price. Add marketplace commissions if you sell on Takealot or Jumia — DSI models those too.

STEP 06 · THE TRUTH

Real profit: $14.77 — not $30

Still viable — if you price knowing this. Most sellers don't. They find out when customs invoices them, weeks after committing stock. DSI runs this entire autopsy in ~5 seconds, before you order, for 15 markets.

Run it on my products
South Africa · ZARNigeria · NGNKenya · KESEgypt · EGPBrazil · BRLMexico · MXNIndia · INRUAE · AEDSaudi Arabia · SARUK · GBPGermany · EURFrance · EURCanada · CADAustralia · AUDUnited States · USD
Your turn — no install

The landed-cost terminal

Drag the sliders. Pick a market. Watch the spreadsheet number and the customs number fight. Illustrative typical rates — the app resolves exact rates per product category.

dsi://landed-cost — live simulation
Spreadsheet math
Selling price$45.00
Cost + shipping−$15.00
"Profit"$30.00
What customs charges
Cost + shipping−$15.00
Duty 20%−$3.00
VAT 15% uplifted−$2.93
Levies + clearing−$8.00
Payment 2.9%−$1.31
Real profit$14.77
Illustrative: ZA ~20% duty + 15% VAT on uplifted value · NG ~20% + 7.5% VAT + CISS/ETLS · KE ~25% + 16% VAT + IDF/RDL. Exact rates vary by HS code — resolving that per product is DSI's job.
How it works

From idea to profitable listing in minutes

01

Pick your market

Select from 15 countries. Duties, VAT and marketplace fees are pre-configured. Switch markets anytime.

02

Research with AI

Pick a category, type a product name, or upload a photo. Seven trending products with full landed cost in ~5 seconds.

03

Confirm your margin

Drag the sell-price slider. See exact profit after duties, VAT, shipping and marketplace fees — before you order.

04

Sell and track profit

One-click Shopify listing. As orders arrive, Pulse shows real profit per SKU, reorder signals and 90-day cash flow.

The product

Landed cost is the spine.
Everything else supports it.

Discover

Research with profit already calculated

AI finds trending products from real AliExpress order volume — and every result already includes duty, VAT, shipping and marketplace fees for your market. You never fall for a product before the math. Search by category, name, curated picks, or upload a photo. One click lists it on Shopify with COGS pre-filled.

See it in the app
AI product research with full landed-cost breakdown
15 Markets

Switch country, everything recalculates

SARS uplift, Kenya's IDF/RDL, Nigeria's CISS/ETLS, India's SWS, Brazil's 60% regime — pre-configured, audited, current. Compare the same product across markets to find where it actually wins.

15 supported markets with duty rates
Pulse

Cash flow that sees customs coming

30/60/90-day projections from your real orders and landed costs — COGS, fees and your actual return rate deducted. Health Scores tell you what to reorder, what to kill, where capital is locked.

Pulse cash flow — 90-day projection
Ask DSI

The questions Sidekick can't answer

"What's my real margin on this in Kenya?" "Which SKU has the worst duty-to-margin ratio?" Scoped to import-cost intelligence on your data. Chart-first answers. 3 free questions to try.

Ask DSI — AI marketplace comparison
Supply

Order only after the margin is confirmed

Supplier-grouped carts, purchase-order PDFs, and direct AliExpress ordering from inside Shopify — gated behind one thing: the margin check. The app physically puts the math before the buy button.

Pre-purchase intelligence prompts
90 seconds

From search to real profit in under a minute

PW

"I built DSI in Sandton after watching seller after seller price off the AliExpress number and get destroyed at customs. These duty tables are the ones I needed and couldn't find — SARS uplift, Kenya's IDF, Nigeria's levies, all of it. We're new, so you won't find a thousand reviews yet. You'll find a founder who answers support personally, usually same-day, and ships fixes fast. Run one real product through it — if the math saves you from one bad buy, it's paid for itself forever."

Prince WarambwaFounder, LIETL Solutions — Sandton, ZA · support@lietlsolutions.com
Straight answers

Questions merchants actually ask

How accurate are the duty rates?
Maintained per country and audited against official sources (SARS, KRA, NCS and others). They're category-level estimates — far closer than any flat "add 30%" rule, though your exact HS code can vary. DSI is your pre-purchase decision tool; your clearing agent confirms the final entry.
Is the free plan actually free?
Yes — 3 product checks a month (5 in your first month), the full landed-cost calculator and margin slider, forever, no card. Paid plans add volume, price tracking, AliExpress ordering and full Pulse analytics.
I sell in the US/UK — is DSI for me?
DSI supports the US, UK, EU, Canada and Australia too — but it earns its keep most where import stacks are heavy: Africa, LATAM, Middle East, India. If you only ship domestic US, a plain profit tracker may be enough.
How is this different from Zonos or a profit tracker?
Duty apps like Zonos charge your customers at checkout (outbound). Profit trackers report what you earned after the fact. DSI works before you order — it models what importing into your market really costs, so bad buys never happen. Nothing else on the App Store does this direction.
Why should I trust an app with no reviews yet?
Fair — we launched May 2026. The free plan exists so you can verify the math against your own clearing invoices before paying anything. Early users get the founder on support and a real say in the roadmap. The reviews will come; the math already works.
What data does DSI access?
Products and orders (for real per-SKU profit in Pulse), store owner info, device/activity data. Full details in the privacy policy. GDPR webhooks implemented; uninstalling revokes access immediately.
Pricing

Start free. Upgrade when volume needs it.

Billed through Shopify · Cancel anytime · Annual saves up to 12%

Free

$0
forever
  • 3 checks/month (5 in month 1)
  • Full landed-cost calculator
  • Margin "what-if" slider
  • Ask DSI — 5 questions
Get started

Growth

$19.99
/month · $0.67 per check
  • 30 checks/month
  • Price tracking + alerts
  • Trend sparklines
  • One-click Shopify listing
Start Growth
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Pro

$39.99
/month · $0.50 per check
  • 80 checks/month
  • Direct AliExpress ordering
  • Full Pulse — all 6 dashboards
  • Cash flow + LTV + returns
  • Ask DSI — 30/month
Start Pro

Agency

$79.99
/month · $0.40 per check
  • 200 checks/month
  • Everything in Pro
  • Multi-store support
  • API + priority support
Start Agency

Run one real product through it.
That's the whole pitch.

If DSI's landed-cost math doesn't change how you'd price it — or whether you'd stock it at all — uninstall and keep the free checks.

3 checks/month free forever · No credit card · All Shopify plans

Install Free — no card