Niall Doherty's Blog, page 23
March 24, 2025
Silly Little Kegel App Earns $1000/Month Passive Income
Nat EliasonCreator of Stamena $1000 average monthly revenue
Nat Eliason tweets…
Is passive income a myth?
Usually.
But not always…
My silly little kegel app from 9 years ago somehow still earns ~$1,000 a month.
I have released 1 update in nine years.
It’s a bit NSFW, but here’s the app on the Apple App Store.
From the revenue graph included with Nat’s tweet, it looks like it once pulled in $10K+ in a single month, and has had several $5K+ months over the years 
Nat’s continued success with that app has me thinking that there should be plenty of room for a competitor.
Could you build a better version of that app? 
And keep it updated?
Or make pretty much the same thing but charge a little less for it.
Get Paid $16/Hour To Talk To Strangers & Train AI
Stu_Gatz67Babel Audio User $1400 revenue in 29 daysThis guy on YouTube (Sarge) is a bit strange but shows proof of earning $572 by talking to strangers online …
It’s via a website called Babel Audio, where…
You can get paid to have fifteen minute conversations with thousands of participants…
We record every conversation, and use this data to build AI training datasets. These datasets are used by technology companies to build the next generation of audio and speech AI models.
Sarge earned his $572 from 142 fifteen-minute calls = $16 per hour 
Not bad given that you need zero skills for this, just a quiet room and a decent microphone.
Lots more people talking about this on Reddit, including this commenter 
I applied on December 28th and got accepted the next day via email. It is truly legit and love doing this type of work.
So far, my earnings over last 29 days is $1400 .. and you can work when you want and how much you want depending on the call limits company prescribes to you.
Consensus is the company definitely pays, but they’re very picky about the audio quality 
Worth trying for some extra cash if you have time to kill, totally flexible.
Related: Get Paid $25/Hour To Train AI (No Experience Required)21-Year-Old Making $1M/Year With Faceless YouTube Channels
Noah MorrisYouTuber $1+ Million annual revenue
An interview with Noah Morris last August…
He has ~20 faceless YT channels, and seems to have cracked the code on how to grow and monetize them
A more recent video from Noah…
Here’s How I Blew Up A Faceless Channel To $10,000…That channel is Playtime Mysteries, all about the popular video game Poppy Playtime.
Brand new channel, first video posted last March, total earnings of $11,277 by early January
Noah breaks down how he…
Found the niche to focus onValidated that nicheFigured out what videos to createBuilt a team to produce the videosOptimized the channelPretty much a playbook for how to build your own successful faceless YT channel 
March 20, 2025
She Earned $968 in Her First Month With This Side Hustle
Hella BellaAmazon Influencer $968 revenue in first monthHella Bella published this video back in September
She reveals that she earned $968 in her first month in the Amazon Influencer Program…
The concept is that you upload a video review to Amazon. Then, if your video gets placed on the Amazon listing page and someone watches that video [and makes a purchase], you earn a commission.
She uploaded 75 videos that first month, ~15 minutes per video = 19 hours.
See her videos here, all very short with minimal editing 
Sourcing items to review…
All you really have to do is go around your house finding things to review… I have not purchased a single item to review.
Hella has lots more tips in the video, plus a follow-up she published in December…
Your Complete Guide to the Amazon Influencer Program & Creator Connections GET STARTED IN 2025 No BS…Former Freelancer Earning $100K/Month With This App
Erikas MalisauskasFounder of Kaching Appz $100,000+ monthly revenue An interview with Erikas Mališauskas…
Erikas was a successful freelance designer, but…
since 2018, I’ve been trying to build successful products to replace my clients. Several of my projects failed before I launched my first success in 2021. It was a Shopify app that I scaled to $6.5k MRR and sold for $250k.
He went on to launch several more Shopify apps, including Kaching Bundles Quantity Break…
… which is currently at a 6-figure MRR
Great reminder of how much money there is to be made on app marketplaces
Another example from Nat Eliason…
My silly little kegel app from 9 years ago somehow still earns ~$1,000 a month.
I have released 1 update in nine years.
Back to Erikas, how he decides what apps to build
Find a niche you’re comfortable with and build around that. It’s always easier to build for yourself or someone close who you know really well. Market knowledge is a game changer. I don’t think I would have been successful without previous experience in Shopify.
Zero to $10K/Month Producing Music in 4 Years
Aurelie CoubleMusic Producer $100,000+ annual revenue
Aurelie Couble shares in a recent video…
Today I am running a successful 6-figure music business online, gathering 100,000’s of streams on Spotify, working with top music brands, producing music for myself and other artists, all while traveling the world and working an average 5-6 hours per day..
I learned to produce music from scratch and made it my full-time job in less than 4 years.
She’s now selling her own course for $897 a pop
Aurelie also says in the video…
Making YouTube videos also turned out to be much more helpful for me than I thought… I didn’t have much knowledge at the time.
All I was doing was to report what I was learning… to help someone a step behind me. This forced me to learn more, to stay accountable, but most importantly to keep making music.
She basically followed Gary Vaynerchuk’s advice: document, don’t create.
Takeaway: if your goal is to earn a living via music production or something else, documenting your journey online can add some serious fuel to the fire 
$2000/Week, Low Effort, High Profit, Straight-Up Fun
Gather Sauna House is a mobile sauna business based in Oregon 
They basically built a sauna on wheels and sell experiences like…
River walk + outdoor yoga + sauna + cold plunge + tea ritual + journaling Mike R reckons the mobile sauna concept could work well elsewhere…
charge people $38 per community session or $200 per private session, and make some serious steamy cash.
This portable sauna hustle is the perfect mix of low effort, high profit, and straight-up fun. You get to work for yourself, meet health-conscious people, and charge premium prices for something that’s already in demand.
Best part? You don’t have to start with a $20,000 sauna right away. Test demand first, make sure people are excited, then pull the trigger. If you play it right, you’ll be earning $2,000 per week in no time.
He goes on to outline how to test and validate the idea for only $10
He’ll Pay $20/Month For a Decent Version of This
Grant Slatton tweets…
weird to me nobody has made a killer browser extension that automatically creates spaced repetition flashcards for everything you read
like imagine you put in a prompt about the kind of thing you want to remember and it reads everything you read and makes cards automatically
He adds in the comments
I will pay $20/mo if anyone builds a decent version of this
Could probably build an MVP in under a week
Lots of likes and bookmarks on the original tweet = many people likely feel the same 
Proof that flash card apps can earn big money…
21-Year-Old Med Student’s App = $27,000 Per MonthAnd there are several good tutorials on YouTube when you search for “build chrome extension with ai”
$1M Per Year Via Virtual Body Doubling
Taylor JacobsonFounder of Focusmate $1 Million estimated annual revenueFocusmate is a virtual coworking platform that pairs you with other people to work together for 25/50/75 minute sessions
Based on the concept of body doubling, which helps prevent procrastination.
Freemium business model, $7/mo for unlimited sessions.
Apparently Focusmate was earning $84K revenue with a 5 person team in 2020.
Estimated annual revenue is now $1M
I’m thinking a niche version of Focusmate could do well.
Maybe for
Maddie Wang did it for founders…
$4000/month Online CoworkingI could also see this working in different languages.
Focusmate seems to be English only 
March 17, 2025
Jumped On This Like a Hungry Dog = $1.5K in One Week
Denis YurchakFounder of Yadaphone $1500 revenue in 1 week A post on Reddit…
The product is Yadaphone, and founder Denis Yurchak explains…
A week ago, I found out that Skype is shutting down, freeing up the niche of online calls to mobile. I was a Skype user myself, and I jumped on the idea like a hungry dog…
I built the product… in two days, launched it on Reddit, and got my first sale in two minutes.
Then, everything just started rushing forward like a wave that carries you with it. The product earned $1,500 in one week
Denis is an experienced software engineer, which explains how he was able to build and launch so fast
But still a key takeaway here for the rest of us: pay attention to big shifts in enterprise products / markets.
There are often hidden opportunities within them to start a business or otherwise turn a profit
Reminds me of a tweet from Spencer Haws a few months back, showing how Reddit’s stock was up 71% and it wasn’t hard to predict.
