Feb 17, 2019 · 21m · top-founders
1303 Ebay to Amazon Dropshipping Arbitrage CEO Makes $5.4M
gold bands on the timeline = statements, start to end. Hover to read, click to jump. CC turns on captions
In this episode of The Top Entrepreneurs Podcast, host Nathan Latka interviews Zinc.io CEO Max Kolysh on how the bootstrapped SaaS company scaled to $5.4 million in annual revenue by automating e-commerce arbitrage between Amazon and eBay. Kolysh details the mechanics of flagship product Priceyak, guerrilla marketing strategies, and Zinc's strategic transition into enterprise retail intelligence.
How this conversation actually went
Every chapter scored 0–10 on four independent dynamics. Hover any point for the reasoning behind the score. Nathan holds 35.1% of the talking time here. How this is scored →
speaking balance: gold is Nathan, purple is the guest (3 minute bins)
Max dismisses Nathan's proposed $25 million buyout valuation, stating he is optimistic about much greater strategic value.
Hardest push from Nathan ▶ 4:46 Pressing on why Zinc does not capture all arbitrage directlyNathan challenges the fundamental premise of running SaaS for third parties when Zinc's automated scrapers could capture 100% of the arbitrage margin directly.
Biggest teaching moment ▶ 4:05 Correcting eBay mechanics from auctions to Buy It NowMax corrects Nathan's auction example by explaining that modern eBay transactions are overwhelmingly fixed-price listings, reframing the dynamics of retail price discrepancy.
Nathan holds their own ▶ 18:02 Challenging GMV scale relative to broader retail marketNathan immediately contextualizes $260 million as unexpectedly low relative to total e-commerce volume and presses whether market efficiency caps the opportunity.
the scores for every segment, with the reasoning behind each
| Chapter | Topic | Nathan as informed peer | Guest teaching | Guest disagreement | Nathan pushing back | Why |
|---|---|---|---|---|---|---|
| Episode Preview: Dropshipping Arbitrage at Scale | 5 | 2 | 1 | 3 | Nathan frames the business overview and probes Max on how their multi-product suite functions and where revenue originates. Max clarifies product responsibilities and explains that Priceyak constitutes roughly 60% of their revenue. | |
| How Priceyak Automates Dropship Arbitrage | 6 | 6 | 2 | 5 | When Nathan provides an example using an eBay auction for arbitrage, Max corrects him that eBay is predominantly fixed-price Buy It Now rather than auctions. Nathan then pushes on why Zinc doesn't just execute all the arbitrage themselves instead of enabling third parties, prompting Max to explain market diversification bottlenecks and localized product discovery. | |
| Priceyak Revenue Mechanics and Customer Cohorts | 6 | 2 | 1 | 4 | Nathan does rapid math on customer volume and average revenue per user to estimate monthly Priceyak revenue around $250k. Max confirms the rough baseline and shares their capital history of raising less than $400k before reaching profitability. | |
| Revenue Milestones and Upmarket Enterprise Pivot | 5 | 2 | 2 | 3 | Nathan and Max pin down exact growth figures, clarifying a transition from $4M to approximately $5.4M-$5.5M. Max explains the intentional growth deceleration due to investing in team structure, PMs, and engineering. | |
| Guerrilla Marketing Tactics and Customer Acquisition | 4 | 4 | 1 | 2 | Max details Zinc's unique guerrilla acquisition tactics, including purchasing cheap items from sellers to harvest contact details and answering Stack Overflow queries. Nathan inquires into how this translated into customer acquisition economics. | |
| Platform Risk Management and Upmarket Innovation | 5 | 3 | 1 | 3 | Nathan asks about existential platform risks from eBay and Amazon policy updates, which Max addresses by highlighting rapid seller communications. They also cover sales incentives tied to expansion revenue. | |
| M&A Perspectives, Jet.com Partnership, and Market Dynamics | 5 | 3 | 2 | 4 | Nathan asks if Max would sell the company at a 5x multiple ($25M), which Max rejects in favor of higher strategic valuations. Max reveals their prior vendor role powering product fulfillment for Jet.com prior to its Walmart acquisition. | |
| Arbitrage Market Size and International Growth Frontiers | 5 | 4 | 2 | 4 | Nathan expresses surprise that Zinc's driven GMV ($260M) is not larger given the size of e-commerce, prompting Max to explain market fragmentation, in-house tools by top sellers, and international growth areas before moving through the Famous Five. | |
| Episode Recap: Zinc's Bootstrap Scale and Metrics | 0 | 0 | 0 | 0 | Nathan delivers a solo recap summarizing Zinc's revenue metrics, customer count, and low funding history. |