Personal blog · Ekaterina Rubtcova
Amazon PPC & FBA growth,
told straight by a real seller.
I'm Ekaterina — selling on Amazon since 2018. Founder of the Daniks cookware brand (Top-1 in Germany, Top-20 in the USA). The same year I started on Amazon — 2018 — I founded Daniks.AI to run my own PPC. It is an AI-native automation that now powers hundreds of other Amazon brands.
This is where I share how I actually operate. The real conversation happens on YouTube — come watch.
- Real seller — Ekaterina on LinkedIn
- Daniks brand on Amazon · Top-1 in Germany · now Top-20 in the USA
- Founder of Daniks.AI — AI-native PPC, used by 100s of brands
- Selling on Amazon since 2018
- No courses · No coaching · No upsells
2018
Selling since
Top-1
in Germany
100s
brands on Daniks.AI
51+
guides published
Featured Posts
7 Best Helium 10 Alternatives for Amazon Sellers (2026)
Tested alternatives to Helium 10 for product research, PPC, and listing optimization. Real pricing, honest pros and cons from an active seller.
Daniks.AI vs Manual Amazon PPC: NordFrost Case Study
Amazon PPC weekly report: Daniks.AI delivers 7.77x ROAS at 12.9% ACoS on NordFrost drinkware. $0.39 CPC, 149 orders, TACoS 8.1%.
Daniks.AI vs Manual Amazon PPC: StellaHive Case Study
Amazon PPC case study: Daniks.AI vs manual on StellaHive candles. 6.2 vs 3.5 ROAS, 16% vs 28% ACoS, 34% cheaper clicks over 6 weeks.
New to Amazon FBA?
Start Here
Getting Started with Amazon FBA: Complete Guide
Everything you need to know to start your Amazon FBA business from scratch in 2026.
20 min read
EORI Number Application: Complete Guide 2026
How to apply for an EORI number with customs — step by step, free of charge, with the most common pitfalls for Amazon FBA sellers.
15 minutes application, 1–3 weeks processing
LUCID Registration: Step-by-Step Guide
Step-by-step guide: LUCID entry, material selection, dual system — the full packaging compliance workflow for Amazon sellers.
30–45 minutes
Latest from YouTube
Amazon FBA Brand Exit: How Much Will Buyers Pay?
Your Amazon PPC Looks Good… But It’s Killing Profit
Amazon PPC 2026: ACOS, Ads & What Agencies Hide
Amazon Influencer Program & Affiliate Marketing: How to Boost Your Sales with Social Commerce
I Found 9 Winning Amazon FBA Niches for 2026 (Before They Get Saturated)
Don’t Sell These 9 Products on Amazon FBA
Latest Articles
7 Best Helium 10 Alternatives for Amazon Sellers (2026)
Tested alternatives to Helium 10 for product research, PPC, and listing optimization. Real pricing, honest pros and cons from an active seller.
How to Sell Your Amazon FBA Brand in 2026
Learn how to sell your Amazon FBA brand in 2026 for 3x-5x profit. Red flags, valuation math, and a 12-month checklist to get investor-ready.
Daniks.AI vs Manual Amazon PPC: NordFrost Case Study
Amazon PPC weekly report: Daniks.AI delivers 7.77x ROAS at 12.9% ACoS on NordFrost drinkware. $0.39 CPC, 149 orders, TACoS 8.1%.
Daniks.AI vs Manual Amazon PPC: StellaHive Case Study
Amazon PPC case study: Daniks.AI vs manual on StellaHive candles. 6.2 vs 3.5 ROAS, 16% vs 28% ACoS, 34% cheaper clicks over 6 weeks.
How I Built the Daniks Brand on Amazon From Zero
In 2018 I knew nothing about Amazon. Eight years later, Daniks reached Top-1 in Germany and Top-20 in the US. The real story behind the brand.
Tutorial Series: Amazon FBA from Zero
Follow this step-by-step series to build your Amazon business from scratch.
Getting Started with Amazon FBA: Complete Guide
Everything you need to know to start your Amazon FBA business from scratch in 2026.
20 min read
Product Research Masterclass for Amazon Sellers
Learn proven product research methods to find profitable Amazon FBA products.
15 min read
Setting Up Your First Amazon PPC Campaign
Step-by-step guide to creating and optimizing your first Amazon PPC campaign.
12 min read
Top-Rated Tools
View All ReviewsDaniks.AI
Daniks.AI is the Amazon PPC automation tool I reach for when I want a real AI agent — not a rules engine — managing bids against a fixed ACoS target.
Read full reviewHelium 10
Helium 10 is the most comprehensive Amazon seller toolkit available, ideal for serious sellers willing to invest in their business growth.
Read full reviewsellerboard
sellerboard is the profit tracking tool with the best value for money for Amazon sellers — practically essential from the second SKU onward.
Read full reviewHellotax
Hellotax is the right choice for scaling FBA sellers with a Pan-EU setup who want to handle VAT compliance without managing a separate tax advisor per country.
Read full reviewJoin Ekaterina's rare letters
Not a weekly drip. Not a funnel. I only send when I've got something from my own seller account — or from running Daniks.AI on hundreds of brands — worth your inbox. Nothing else.