Cluster · 8 articles
Tools — reviews, comparatifs, the $500K Stack.
The exact tools founders use to scale to $500K ARR. Single-tool deep reviews (the 9-month verdict, not the launch-week hype), X-vs-Y comparatifs, the $0 stack, the paid stack. No affiliate-rigged rankings — what works, what's overhyped, what to skip.
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AI is killing the 2-hour devis in French construction: 7 startups changing the game
French artisans used to spend 2 hours per quote. Renalto does it in 60 seconds. Here is the 2026 AI-quoting landscape — 7 startups, real numbers, and who wins.
Beehiiv 2026 review: 18 months in, honest verdict
Honest Beehiiv review after 18 months of daily use. What works, what's still annoying, who should pick it, and who shouldn't. Pricing, deliverability, monetization, alternatives.
10 best AI tools for solopreneurs in 2026
The 10 AI tools every $500K-bound solopreneur should run in 2026. Picked by use case, not by affiliate payout. Pricing, pros/cons, and who should skip each one.
Notion vs Obsidian: which knowledge stack wins for AI builders in 2026?
Notion is the team wiki. Obsidian is the founder's second brain. After 18 months running both, here is the honest verdict for solo founders building with AI agents.
Claude vs Gemini vs ChatGPT: which LLM for founders in 2026?
I ran the same 30 founder tasks across Claude Opus 4.6, Gemini 2.5 Pro, and ChatGPT GPT-4.5 for 8 weeks. Here is the honest verdict, the table, and the one I actually pay for.
Beehiiv vs Substack vs ConvertKit vs Kit: 2026 deep verdict
Four newsletter platforms, 90 days of side-by-side testing, one verdict per founder type. The pricing table, feature gaps, and migration math you need before picking.
The $0 stack: 12 free tools for solopreneurs in 2026
I rebuilt my entire founder stack using only free tiers. Here are the 12 tools that actually carry weight at $0/mo, and the 4 places where you must pay.
Why I deleted Substack for Beehiiv (after 3 months testing)
I ran the same newsletter on Substack and Beehiiv for 90 days. Same content, same cadence, same audience seed. Here's what the numbers say, and which one I kept.
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