Best Amazon Online Arbitrage Sourcing Tools

The short version

There is no single best tool, and anyone who tells you otherwise is usually selling that tool. The category splits three ways: data backbones (Keepa), analysis tools you run one product at a time (SellerAmp, BuyBotPro), and discovery tools that go find products for you at scale (Tactical Arbitrage, ProfitPath, SourceMogul, SellerGPT). Those aren't competing for the same slot — they cover different steps of the same job.

Which is why almost everyone who's been at this a while ends up running two or three together instead of one all-in-one. No single product does discovery, analysis, and raw data equally well, and the ones that claim to tend to be mediocre at all three. This roundup covers all seven straight, SellerGPT — our own tool — included, right down to where a competitor plainly does something we don't.

How this list was built

For each tool I looked at the job it actually does — discovery, analysis, or raw data — plus coverage or accuracy where that's knowable, published pricing, and the complaints that come up repeatedly in seller communities rather than one-off gripes. Where current pricing isn't publicly confirmable, I said so instead of inventing a number to fill the cell. This isn't a neutral list; it's an opinionated one written by people who make one of the tools on it. Read it that way.

The tools

Not ranked. The right pick depends entirely on where your sourcing is actually breaking down, so a “#1 best” would be dishonest — SourceMogul beats SellerGPT for someone, and SellerGPT beats Tactical Arbitrage for someone else.

1. SellerAmp SAS

An analysis-and-calculator tool. Paste an ASIN or scan a barcode and you get price history, sales rank, a full profit/ROI calculator, and IP-complaint and gating alerts in a couple seconds. It's strongest as a manual companion, and the mobile scanning app makes it the default pick for in-store retail arbitrage specifically. It won't source leads for you — you still have to find the deal first — but for grading the deal fast, it's very good and it's cheap. $19.95–$49.95/month across three tiers, 14-day trial. Full SellerGPT vs SellerAmp comparison →

2. Tactical Arbitrage

The deepest scan-based discovery tool in the category, with reported coverage across roughly 1,000 retailer and supplier sites. Built around bulk scans you configure yourself — devastating once you've mastered it, genuinely punishing while you're learning. Most people who bounce off TA do so in the first few weeks because they never got their scans dialed in, not because the engine is weak. There are also recurring complaints about cancellation friction in seller forums, worth checking directly before you subscribe. $59–$129/month, tiered. Full SellerGPT vs Tactical Arbitrage comparison →

3. ProfitPath

A reverse-sourcing tool built on a large pre-crawled database — 200M+ products across 1,000+ shops, weighted toward EU and UK retailers. If you sell on Amazon UK or an EU marketplace, this is the regional pick, and the coverage there is a real edge over US-centric tools. The known weak spot is the one every big cached database has: users report occasional ROI and multipack/variant mismatches, where a 3-pack gets matched as a single and the profit math goes fictional. Pricing best confirmed on their site. Full SellerGPT vs ProfitPath comparison →

4. SourceMogul

The middle-ground scan tool. It's positioned as a flatter-priced, less punishing alternative to Tactical Arbitrage — bulk scanning against supplier lists without quite the same configuration cliff. If TA's setup overhead is the thing that's kept you off scan-based sourcing entirely, SourceMogul is a reasonable on-ramp. Roughly $67–$97/month, flat rather than TA's tiered structure.

5. BuyBotPro

A deal-analysis tool in the same spirit as SellerAmp, with one thing worth calling out: built-in auto-ungating request tools sitting alongside the profit calculator. If category ungating is a recurring wall for your catalog, that alone might tip it. The caveat — some users report fee-calculation accuracy complaints, so on high-value items I'd sanity-check its numbers against Amazon's own fee schedule before trusting them with a big buy. $17.95–$129.95/month by tier.

6. Keepa

Not a sourcing tool on its own, and I'm listing it anyway because leaving it off would be malpractice. Keepa is the price-history and sales-rank backbone nearly every other tool here — SellerGPT included — is built on top of. If you do any manual analysis at all, a Keepa subscription for the price charts and BSR data is close to non-negotiable, and at roughly €19/month it's the cheapest high-leverage dollar in the whole stack. We use Keepa ourselves for the same reason everyone does: it's the most reliable read on Amazon-side history there is.

7. SellerGPT

An AI-powered autonomous sourcing platform. Instead of running scans or pasting ASINs into a calculator, an AI agent works retailer catalogs against your ROI, profit, and BSR criteria and verifies the source price against the live retailer page before showing you anything. Pack-size and variant matching runs through a dedicated AI matcher to catch multipack mismatches before they become your loss. Amazon-side data is Keepa-backed, alerts land in Telegram, there's a Chrome extension for manual checks, and access includes coaching and community through Ecom Hustlers. It's US-marketplace-focused today, and access runs through a short intro call rather than self-serve signup since pricing isn't public yet. See how SellerGPT works →

Pricing at a glance

• Keepa — ~€19/month
• BuyBotPro — $17.95–$129.95/month
• SellerAmp SAS — $19.95–$49.95/month, 14-day trial
• SourceMogul — ~$67–$97/month flat
• Tactical Arbitrage — $59–$129/month, tiered
• ProfitPath — see their site for current tiers
• SellerGPT — not public yet; see plans

How to choose

Name your actual bottleneck before you look at your budget — the two usually point at different tools. If you can't confidently tell a good deal from a bad one yet, buy a calculator (SellerAmp or BuyBotPro) and a Keepa subscription before anything else. That combination is cheap and it teaches you the math, and the math is the part no tool can hand you.

If you already know the math cold and your problem is volume — not enough good leads per hour of work — a discovery tool is the better dollar. Tactical Arbitrage or SourceMogul if you want to run and tune your own scans, ProfitPath if you're UK/EU-focused, SellerGPT if you'd rather an agent do the finding and verifying without you building a scan at all.

And keep your expectations honest whatever you pick: 10–20% net after fees is a realistic, sustainable range for online arbitrage in 2026. Any tool selling you far more than that as typical is selling the exception, not the average — and the tool was never the thing standing between you and the exception anyway.

Frequently asked questions