ArticleMar 28, 2026
Market Research Report Template (2026 Practical Guide)
Build a 2026 market research report: lean 5-page vs full 50-page templates, Statista vs Gartner vs IBISWorld pricing, AI tools that replace 30% of analyst work.
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Insights, guides & reviews
Hands-on guides, tool reviews and news analysis from the Dupple team. Independent, with prices checked on each vendor's own page.
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ArticleMar 27, 2026
How to Improve Email Deliverability in 2026 (Compliance Guide)
Email deliverability in 2026: SPF/DKIM/DMARC setup, Microsoft+Gmail+Yahoo bulk sender rules, BIMI honest take, GlockApps and Postmaster Tools pricing.
ArticleMar 26, 2026
How to Optimize SQL Queries in 2026 (PostgreSQL 18 Update)
Optimize SQL queries in 2026: PostgreSQL 18 skip scan and async I/O, EverSQL and pgMustard pricing, EXPLAIN ANALYZE workflow, common anti-patterns to delete.
ArticleMar 25, 2026
Data Visualization Best Practices in 2026 (Tools + Rules)
Data visualization in 2026: Tableau vs Power BI vs Metabase vs Looker pricing, chart-type rules, accessible color palettes, AI dashboard agents that work.
ArticleMar 23, 2026
Marketing Tech Trends 2026 (Real Changes, Not Hype)
2026 martech trends: cookies still in Chrome, HubSpot AI outcome pricing, Salesforce Agentforce scale, CDP consolidation, what to actually act on this quarter.
ArticleMar 21, 2026
How to Learn Python Fast in 2026 (Realistic 3-6 Month Path)
Learn Python fast in 2026: MOOC.fi free course, Boot.dev, AI pair programming with Cursor and Claude, real salaries ($129K avg), discipline to avoid tool dependency.
ArticleMar 20, 2026
What Is Penetration Testing in 2026 (Cost + AI Tools)
Penetration testing in 2026: PTES vs OWASP WSTG, Burp Suite + Metasploit pricing, PentestGPT and PentAGI AI tools, real SMB cost ranges $4K-$25K.
ArticleMar 19, 2026
AI Training for Employees in 2026 (Vendor-Neutral Guide)
Corporate AI training in 2026: Anthropic Academy free baseline, Coursera and Udemy Business pricing, fluency vs engineering curricula, real measurement metrics.
ArticleMar 18, 2026
What Is Prompt Engineering in 2026 (Job Market + Techniques)
Prompt engineering in 2026: standalone jobs gone, context engineering dominant, real salaries $130-$220K, prompt caching saves 80%, best free courses listed.
ArticleMar 18, 2026
How to Build an MVP Without a Technical Co-Founder (2026)
Build an MVP without a tech co-founder in 2026: Lovable, Replit Agent, Bolt.new prices, fractional CTO costs $8K-$12K/mo, real timeline and budget breakdown.
ArticleMar 17, 2026
Measuring Training Effectiveness in 2026 (Kirkpatrick + AI)
Measure training effectiveness in 2026: Kirkpatrick 4 levels, Phillips ROI, manager behavior surveys, Docebo/Cornerstone/360Learning pricing, AI skill inference.
ArticleMar 16, 2026
How to Build an AI Chatbot in 2026 (Real Costs + Stack)
Build an AI chatbot in 2026: Chatbase vs Botpress vs Voiceflow pricing, LLM costs ($5/$25 Opus), RAG vs fine-tuning, prompt caching saves 80%, build vs buy.
ArticleMar 15, 2026
Online Course Platforms Compared (2026 Real Pricing)
2026 course platforms compared: Teachable, Kajabi, Thinkific, Skool, Circle, Mighty Networks. Real pricing, transaction fees, course vs community camp.
ArticleMar 14, 2026
Project Software Compared (2026 Pricing + Picks by Team)
2026 PM tools: Linear, ClickUp, Asana, Monday, Jira, Notion, Trello, Basecamp pricing. AI features compared. Best by team type, not by feature count.
ArticleMar 13, 2026
Hacker News RSS in 2026 (Best Feeds + Clients Compared)
Hacker News RSS in 2026: official feed limits, HNRSS.org custom filters, Inoreader vs Feedly vs NetNewsWire, Refind for AI summaries, Algolia API tips.