Niall Doherty's Blog, page 26
March 6, 2025
10 Simple GPT Ideas That Can Turn Into Million $ Startups
metaschool tweets…
Most people think you need a genius idea to make $1M with AI.
The truth? The simplest businesses make the most money.
Here are 10 simple GPT ideas that can turn into million-dollar startups
#5 on the list 
CryptoTaxGPT: Create a GPT that calculates crypto taxes by country.
Go to Market
– Tweet tax facts on Bitcoin.
– Post thread on r/CryptoCurrency.
– Chat on X Spaces with influencer.
metaschool also has a waitlist open for Build That Idea…
A platform that lets anyone launch their own AI agent in 60 seconds
– Define your Agent
– Choose a base LLM (OpenAI, Claude, DeepSeek, etc.)
– Upload knowledge base
– Set pricing and start making money
Worth keeping an eye on 
1-Year-Old Websites Making Up To $100K Per Month
DuolingoGuides.comWebsite $10,500 estimated monthly revenueIn a new video, Spencer Haws breaks down 4 websites that are making big money despite being less than a year old …
The second is the most interesting to me: an independent blog providing tips, hacks, and reviews for the popular Duolingo language-learning app 
Monetized with display ads, ranking on Google for queries like…
duolingo promo codehow much is super duolingoduolingo levels Spencer comments…
I love this example because it takes a larger brand or trend and capitalizes on it.
What large company or business could you become an expert on and ride their coattails to $10,000 per month?
March 3, 2025
This Naughty AI Model Made $1100 in 5 Days
Noct SenseiAI OnlyFans Manager $1100 revenue in 5 daysA recent video from Noct Sensei
His intro…
While everyone was enjoying their Valentine’s Day, I passed all my day talking to some horny guys on the web… because I’m supposed to be an AI influencer
He’s basically doing OnlyFans but with an AI-generated model 
Rules he set for himself in a previous video…
Make $2,000 in 7 daysCreate an AI influencer from scratch (no prior assets)Budget limit: $10 (no paid ads)Fully document the journey.In the end he made about $1100 within 5 days 
AI software he mentions using in the video description: Pykaso
A third video where Noct shares more info…
If you don’t want to go the NSFW route with this, you could try create and monetize a more socially acceptable virtual influencer, examples here.
Tread carefully if you go down this rabbit hole, probably lots of scams to watch out for 
This Simple App Earned $2,300 in 1 Month via Instagram
u/heibuilderFounder of Peazehub $2300 revenue in 1 monthPeazehub.com is a simple focus timer and productivity app 
The founder shared on Reddit…
A few months ago, my girlfriend… mentioned she had trouble tracking her work and study hours…
So I built her a simple, clean time tracker. No distractions – just stats and a timer to track work and study time.
He added a few more features after that, then…
After posting it on Instagram and adding a payment option, it unexpectedly took off…
It’s been exactly one month (+1 day) since I integrated payments, and so far, I’ve made $2.3K.
Sounds like most of his customers are coming via Instagram, where he’s posting simple memes and Reels
How about turning that marketing approach into a service? 
Find niche apps and offer to manage their Instagram account, share similar content to attract new users.
$3000/Month Passive Income From This Airbnb-Like Platform
Hansel MooreYouTuber $3000 monthly revenue
From a recent interview with Hansel Moore…
Hansel owns a studio in Dallas where he records and produces content for his YouTube channels 
When he’s not using it himself, he rents out the studio for $90/hour on Peerspace, which is like Airbnb for venues.
He only opened the space last June, and…
In our first month, we brought in north of $3,500.
Hansel doesn’t say how much his studio space cost to buy and build out.
But even if you can’t afford to buy a property, you could
Check what spaces are available near you on Peerspace, see if there are some gaps in the market 
This Proven Ad Format = $2300 in a Few Days
Marc LouSerial Entrepreneur $2300 revenue in a few daysMarc Lou tweets a 19-second video ad for his online course
He says the ad was…
inspired by an ad on French Instagram (proven format)
Nico Jeannen later shared that the ad “generated $2300 in just a few days”…
– $200 ad spend…
– Average ROI: x11.3…
It also costs 2x less than our “regular” ads
So they basically copied a proven ad format and got great results 
I’m thinking someone should be curating and sharing such ad formats.
Could be in a newsletter / community / Telegram group.
Similar to what Jason Levin is doing for memes 
Related: a free 3-hour video course from Marc…
Learn how to code a SaaS from 0 using AI$17K Last Year From Easiest Side Hustle Nobody Talks About
u/MattsflooredBank Churner $17,000 in 1 year A recent Reddit thread…
u/Mattsfloored replied…
Churning banks, made 17k last year, and 15k in 2023. Pretty easy side hustle, also legal.
More details here from the same person
From a good 9-minute overview of bank churning on YouTube…
Bank churning is where you open new bank accounts continuously and take the rewards that those banks are offering for people that open new accounts.
This is completely legal, completely free, and can be done from the comfort of your own home.
There’s usually a minimum amount you’ll need to deposit to get the reward, can be anything from a few $100 to a few $1000 
And you have to be careful to keep track of everything and read the fine print.
Mainly doable in the USA 
but in theory you could do it anywhere banks offer sign-up bonuses.
TikTok Account > Newsletter > $100K in 3 Months
Danielle TudahlFounder of LA Raver $100,000 revenue in 3 monthsThe LA Raver is a newsletter covering the rave scene in Los Angeles 
Danielle Tudahl launched it in 2023 off the back of a TikTok account she started in 2019.
She shared in a recent interview…
I had maybe 20,000 followers on TikTok. I was posting little videos, “Here’s what I’m gonna go this weekend,” or “Here are my recommendations for raves.”
Now, with 16,000 newsletter subscribers…
In the past three months, The LA Raver has generated nearly $100,000 in revenue. “Crazy money! I’m literally setting up getting an accountant,” chuckled Dani.
This income comes from various sources, including event ticket sales, affiliate codes, newsletter ads, and sponsored content that began trickling in as The LA Raver’s influence grew.
Surely this could be done in other cities where there’s a good rave scene
Or any kind of scene that people are interested in.
I’m reminded of this guy in Colorado Springs we featured recently
February 27, 2025
This 2-Year-Old Directory Site Makes $3500 Per Month
Piotr KulpinskiFounder of OpenAlternative $3500 monthly revenue From a recent interview with Piotr Kulpinski…
I’m the founder of a directory website called OpenAlternative. It’s a community-driven list of open source alternatives to popular, proprietary software…
The site launched in February 2023… [amd] makes around $3-3.5K per month.
Monetization…
What other “alternative” directory sites could you build?
Perhaps a site listing quality alternatives to popular consumer items.
Meanwhile, Katt Risen recently shared 3 profitable internet directory ideas based on keyword research
$10K Per Month From Unbundling ChatGPT
Mustafa ErgisiFounder of AI2sql $10,000 monthly revenue Glen Allsopp writes…
The business is AI2sql by Mustafa Ergisi.
SQL is a coding language for interacting with databases, and it can get quite complex
Glen explains…
[AI2sql] can write queries, explain what it wrote, and also improve existing queries you may already use…
Without knowing anything about the tool, I am going to guess that standard ChatGPT could handle the majority of use cases…
Of course, it doesn’t really matter if ChatGPT can do the same thing as AI2sql – people are clearly happy to pay for specialized solutions 
What other functionality can you “unbundle” from an all-purpose AI tool like ChatGPT?
Also, Mustafa recently tweeted…
Stop chasing AI hype. Start chasing customer pain. Why some of today’s most profitable SaaS companies are ‘just’ solving fundamental business problems really well.
