Articles

This section presents selected articles on medium.com written by our experts.
August, 2025

How to Install N8N on Your Server for $5/mo

How to Install N8N on Your Server for $5/mo
Short guide on how to install and set up your own fully functional N8N for just $5 per month. The official N8N Cloud pricing starts at $20/mo (Starter) and $50/mo (Pro). By installing the community version on your own small server, you can save money and get higher limits for workflows and executions.

August, 2025

Installing Your Own Local N8N on macOS

Installing Your Own Local N8N on macOS
Short guide how to install and configure a fully functional N8N instance on your Mac. If you want to play around with N8N’s features and run workflows only occasionally, installing it locally on your own computer is an excellent solution.

October, 2024

AI-powered Calorie Tracker. How to use ChatGPT and Python to Analyze Your Meals

AI-powered Calorie Tracker. How to use ChatGPT and Python to Analyze Your Meals
A hands-on guide to turning meal photos into calorie and macro estimates with ChatGPT Vision and Python. It walks through prompting for structured JSON, parsing results with pandas, calculating totals, and wrapping it all in a minimal Flask app—plus a quick cost breakdown and ideas for evolving it into a full daily tracker.

October, 2024

Amazon SP-API: Measure Sales Performance with Order Metrics

Amazon SP-API: Measure Sales Performance with Order Metrics
Amazon SP-API provides a simple and efficient way to evaluate Sales Performance — using Order Metrics. The Order Metrics request returns detailed, basic sales data over specified time intervals, similar to what you’d see in the Amazon Seller interface.

October, 2024

Automating Analytics with Michaels Retail SKU Reports

Automating Analytics with Michaels Retail SKU Reports
Michaels Stores, one of the largest Art & Crafts hypermarkets in the US and Canada. Recently, as part of building Retail Data Collection and Weekly Sales Reporting, I had the task of extracting sales statistics from Michaels and processing it in a Data Warehouse.

September, 2024

Tracking Negative Reviews on Amazon with Python

Tracking Negative Reviews on Amazon with Python
Keeping track of negative comments on Amazon is crucial, as they can significantly impact sales. I’ve seen cases where clients only found out about negative reviews after noticing a drop in sales weeks later. To prevent such situations, we’ll develop a Python tracker script that scrapes Customer Reviews and promptly notifies you when a negative comment (customer review rating less than or equal to three) appears on one of your products.

September, 2024

Scraping Customer Reviews from Amazon Product Page with Python

Scraping Customer Reviews from Amazon Product Page with Python
When selling on Amazon, timely tracking of customer reviews for products is a crucial task. Customer reviews are vital for product promotion and successful sales. Gathering these reviews allows for analysis to understand any shortcomings of your product, identify areas for improvement, and most importantly, to promptly address any negative feedback.

September, 2024

Amazon SP-API: Get Order Items with Python

Amazon SP-API: Get Order Items with Python
Getting Orders and Order Items from Amazon SP-API is fundamental for building high-quality sales analytics. It’s not only important to create a script that fetches data, but also to build a robust architecture and flow that works continuously, reliably fetching and updating data while preparing structured data for quality analytics.

August, 2024

Amazon SP-API: Get Orders with Python

Amazon SP-API: Get Orders with Python
Retrieving orders using the Amazon Seller Partner API is described as one of the most important and fundamental tasks for building high-quality sales data analytics. The process of retrieving sales data from the Amazon SP-API using Python is explained, along with a detailed description of how to create a reliable system for receiving and storing updates on orders.

August, 2024

Amazon SP-API: Get Inventory and Prices with Python

Amazon SP-API: Get Inventory and Prices with Python
This article describes how to work with Amazon SP-API and how to get Inventory and Prices of products using Python. For building analytics on products and sales from an Amazon Seller account, it's one of the most basic and initial actions.

August, 2024

How to send notifications to Telegram with Python

How to send notifications to Telegram with Python
Article descibes how to sent various notifications from Python to Telegram channel, such as anomaly alerts when something breaks or stops working, daily reports, price change notifications, or alerts.

June, 2024

Amazon Buy Box Tracking with Keepa and Python

Amazon Buy Box Tracking with Keepa and Python
For Amazon sellers, it is Essential to track their presence in the Buy Box for their products and quickly react if another seller takes over the Buy Box. Article describes how to build Buy Box Tracker using Python and Keepa API service.

May, 2024

Amazon Price History from Keepa with Python

Amazon Price History from Keepa with Python
Monitoring prices is crucial for pricing strategies or tracking competitors. Very often, data on products and their prices are the core for building effective analytics. Unfortunately, the Amazon products price history cannot be retrieved from the official Amazon SP-API (which only provides current prices). Article describes how to get Price History with Python and Keepa API service.