# The Stepthrough blog: page 18 > Page 18 of the Stepthrough blog: practical AI guides for small businesses, each with a free hands-on lesson. Source: https://learn.ynteractive.com/content/blog/page-18 · Updated 2026-10-20 · Free from Stepthrough (https://learn.ynteractive.com) Updated October 20, 2026 Practical, plain-English guides to using AI at work: better prompts, email replies you can trust, and automations that do the busywork. Every post points to a free lesson where you build it yourself, one click at a time. - [n8n If Node Number Comparisons: Totals, Scores, Wrong Type](https://learn.ynteractive.com/content/blog/n8n-if-node-number-comparison): Compare numbers in the n8n If node, type value2 without $ or commas, and fix "Wrong type: is a string but was expecting a number". - [n8n Google Docs Tool: Let an AI Agent Answer from a Doc](https://learn.ynteractive.com/content/blog/n8n-google-docs-tool-agent): Give an n8n AI Agent your own FAQ with the Google Docs Tool (Operation: Get), a Gmail Tool handoff to staff and system message rules. - [n8n Chat on Your Website: Make Chat Publicly Available](https://learn.ynteractive.com/content/blog/n8n-public-chat-website): Put an n8n AI agent chat on your website: turn on Make Chat Publicly Available, publish, link or embed it, and test it like a customer first. - [n8n HTTP Request Bearer Auth: Send an API Key Header](https://learn.ynteractive.com/content/blog/n8n-http-request-bearer-auth): Send an API key safely in the n8n HTTP Request node: Generic Credential Type, Bearer Auth, removing api_key from the URL and fixing 401s. - [n8n Slack Node: Post a Message to a Channel](https://learn.ynteractive.com/content/blog/n8n-slack-send-message): Post to Slack from n8n: Message Actions > Send a message, Send Message To: Channel, pick the channel, and a hot-lead alert template to copy. - [Kosuke Use Cases: AI Website Changes for Non-Developers](https://learn.ynteractive.com/content/blog/kosuke-use-cases-by-role): How agency owners, ops leads, marketing managers, founders and consultants use Kosuke previews and automated QA to check AI-made changes safely. - [n8n Pinned and Mock Data: Test Without Real Triggers](https://learn.ynteractive.com/content/blog/n8n-pinned-mock-data): Test n8n workflows without new emails or forms: set mock data on a manual trigger, pin a real test run, use Execute previous nodes, unpin to publish. - [Kosuke FAQ: Previews, Automated QA, Costs and Safety](https://learn.ynteractive.com/content/blog/kosuke-faq): Plain answers about Kosuke for non-developers: what it does, how previews and automated QA work, share links, pull requests and what the Trial covers. - [n8n Weekly Schedule: Every Monday at 8am (and Other Times)](https://learn.ynteractive.com/content/blog/n8n-weekly-schedule-trigger): Set the n8n Schedule Trigger to run weekly: Interval Weeks, untick Sunday, pick Monday and 8am, set the timezone and publish. Plus cron examples. - [Kosuke Mistakes: 9 Ways to Misread AI Website Changes](https://learn.ynteractive.com/content/blog/kosuke-sensei-mistakes): Common Kosuke mistakes for agencies and ops teams: skipping the phone check, treating BLOCKED like FAILED, open share links, and trusting a pass blindly. - [n8n Workflow Ideas for Sales Teams: 10 to Build](https://learn.ynteractive.com/content/blog/n8n-workflow-ideas-for-sales): Ten n8n and Make workflow ideas for sales teams: instant lead replies, lead scoring, hot-lead Slack alerts, meeting follow-ups and digests. - [n8n Workflow Ideas for Marketing Teams: 10 to Build](https://learn.ynteractive.com/content/blog/n8n-workflow-ideas-for-marketing): Ten n8n and Make workflow ideas for marketers: content requests with AI drafts, weekly client updates, lead magnets, social posts and routing. 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You do the same thing on the right, in a practice copy of the real tool. Get it right and it moves on. Nothing touches your real accounts until you're ready to build it for real. [Start learning free](https://learn.ynteractive.com/)