
@ifourthi
iAccount based inThailand
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- Account based in
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POD by day. SaaS by night | currently building: https://nitter.cf/t.co/WmL811S9fO - https://nitter.cf/t.co/lwmTqRCO7W - https://nitter.cf/t.co/bSnCEbqMMl - https://nitter.cf/t.co/5XMVAS0Bu8 - https://nitter.cf/t.co/bbJ6aadjy5 - https://nitter.cf/t.co/pIzn9GmI09
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Joined October 2009
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Tailscale said my dev box was online. It wasn’t reachable.
Took me all night to figure out why...
Ran Claude Code on a remote box and connected through Tailscale. It kept dropping every few minutes.
The box can’t do direct connections, so everything went through a relay, and my Mac's link to the relay kept dying silently.
Tried restarts, relay tweaks, Cloudflare Tunnel (blocked port), auto-reconnect scripts. Nothing stuck.
Fix: an SSH tunnel through one of my own servers, with a locked-down user that can only forward one port.
Rock solid since. My iPhone still uses Tailscale.
Boring tech wins again.
My MacBook kept lagging with Claude Code running all day across my SaaS projects, so I moved everything to @bot
Here’s my setup:
- Claude Code + all my repos on Grok Bot
- T3 Code as the app to send tasks from my Mac or iPhone
- Tailscale so only my devices can connect (nothing open to the internet)
Benefits:
- Mac stays fast
- Can start a task from my phone in bed and check it later
- One thread updates backend, frontend, and the sales page together, then opens the PRs
- It asks me before every deploy
Kind of feels like having a dev machine that never gets tired.
Thanks @seree for the setup!
Amazon spent 20 years teaching sellers to optimize for the Amazon algorithm.
AI agents just changed the game overnight.
The Shopify sellers who structure their product data for AI will eat 2026.
Also bullish on $SHOP for the long game
I think Amazon is making huge mistake and @Shopify is capitalizing on one of the greatest market opportunities in recent history by being AI-friendly where Amazon is not.
I used to buy buy almost everything on Amazon and have my AI find the products for me. I've been doing this since @openclaw came out. I hate doing product research for small things, and I just need a good enough solution conveniently.
Literally 70-80% of my $200k+ annual spend in 2025 on business and personal went through Amazon.
Now, my @bot and any other AI has about a 60% failure rate trying to find me things on Amazon.
In the last week, my Amazon spend has dropped below 50% for the first time and my bots now know to look for @Shopify vendors as soon as they get rejected on Amazon.
Next week, we'll probably start just looking on Shopify by default, and I could see Amazon spend dropping to zero by end of year.
People who buy a lot of stuff need to adapt and they will do so quickly. Good work to @Shopify, @OpenAI, @Muse and @cursor_ai/@grok/@bot for seeing this opportunity and hopefully Amazon figures it out quickly before they lose hundreds of others like me.
I would say I'm pretty early in the adoption curve of people doing this and using AI this aggressively, but there is a big and powerful wave of small businesses and consumers right behind me.
How I escape X doomscrolling and still grow:
- Connect X to @bot
- Tell it to scan your feed
- Give it your interest topics
- Exclude engagement farming + clickbait
- Save it to memory
- Every day: "List interesting posts in past X hours"
Saves hours a day 🙌
Replies are still the fastest way to grow a small account. Just reply to the right stuff.
Great list. A few more I’d add:
- Trust: your name is the brand (ex: Pieter, Marc, you)
- Taste: AI can build it, but it can’t curate what to build
- Execution speed: shipping daily is still a moat even with AI
- Habits: being someone’s daily tool creates lock-in without features
Trust and taste feel like the biggest ones for solo builders now.
I'd expand the moats left to:
- Proprietary data or content: data nobody else has, or unique content you can create
- Network effects / community: users make it more valuable for each other
- Audience / distribution: you can get attention on demand
- Physical component: hardware, locations, real-world operations
- Capital: owning assets and investing (esp into the AI companies as they are and will suck up large parts of the economy)
- Regulatory: licenses and legal barriers
How I escape X doomscrolling and still grow:
- Connect X to @bot
- Tell it to scan your feed
- Give it your interest topics
- Exclude engagement farming + clickbait
- Save it to memory
- Every day: "List interesting posts in past X hours"
Saves hours a day 🙌
Replies are still the fastest way to grow a small account. Just reply to the right stuff.
Not sure if I'm fully right here, but I don't think most people buy software anymore.
The ones who would, mostly just ask AI to build it themselves these days.
What I'm actually seeing people use AI to build and sell is:
- Physical products (made with AI, like POD)
- Entertainment (AI videos, AI music, AI games)
- Trading bots (with AI algorithms)
- Courses and content (AI-written, AI-narrated)
- Services powered by AI (done-for-you work)
- Agents and MCPs that sell to other AIs
Not really software anymore.
The money moved from "build an app" to "use AI to make real things people pay for."
A big % of tech people don't get it
Normies won't ask "build me software"
They will ask "I have this photo and I want to manually edit it" and it will spin up a Photoshop clone
They will ask "I need to know if sales are going up or down this quarter from all different ecommerce platforms we use" and it will spin up an analytics dashboard connecting all APIs with scheduled crons that keeps it up to date forever
They already do!
They won't know they're building software because their AI app/agent will do it for them
And then they'll stop using most regular software!
$130 Meta ads spent today, $400 in sales.
Then I noticed something weird.
The sales aren’t from the products I’m running Meta ads to. They’re OTHER products in my store.
Conversion source in Shopify shows Google.
So the real funnel looks like:
- Meta ad gets the first click
- Customer leaves without buying
- Days later, they Google the brand or category
- Land back on my store
- Buy a different product
Meta ads didn’t sell the product. They sold the store.
Which makes me wonder when ChatGPT and Claude start recommending Shopify products at scale, that’s the next Google.
Anyone figured out how to get products into those recommendations yet?
vibe code it for yourself, then open-source it, then it's free marketing forever.
So many people asked me to make it open-source, so here you go:
MailCheap — Self-hosted newsletters on Amazon SES:
💸 $0.10 per 1,000 emails
✍️ Editor with live preview
📰 Multiple newsletters
📝 Signup forms + API
🌐 Public archive
📊 Stats & growth charts
🧹 List cleanup
📬 Bounce + spam protection
→ github.com/marclou/mailcheap
92% cheaper than Beehiiv (for me).
Have fun!
WhatToVibe MCP is now live 🚀
Find weirder ideas and build weirder apps!
Don’t have an idea to vibe code today?
Come vibe with me and @ifourth at WhatToVibe.com!
Just added MCP so you can command your agents to pull hot trends, pick ideas, get a full build prompt and let your agents build and ship, now capable of fully automated!
I’m doing the exact same thing across all my micro SaaS, but so far I'm getting pretty little organic traffic and sales.
Probably need to study more about SEO and update my system to write better content.
It's always good to diversify your portfolio and have multiple streams of income.
I built a handful of B2C micro SaaS projects a few months ago, enabled my SEO pipeline to write blog posts, and let them go.
Slowly but surely, they've been growing and have now reached the $1k MRR milestone.
Not life-changing money for sure, but it's good to have a few extra bucks in your bank account.
I don't actively maintain them and just fix some bugs once in a while.
I think they have the potential to grow further, but I just don't have the time as I'm focused on my best mobile apps atm.
As usual, guys, slow and humble growth, no bangers to brag about.
And remember that SEO works and it's the king!

















