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Posted by cvbox 7 days ago

Ask HN: Those making $500/month on side projects in 2025 – Show and tell

It's the time of the year again, so I'd be interested hear what new (and old) ideas have come up. Previously asked on:

2024 → https://news.ycombinator.com/item?id=42373343

2023 → https://news.ycombinator.com/item?id=38467691

2022 → https://news.ycombinator.com/item?id=34190421

2021 → https://news.ycombinator.com/item?id=29667095

2020 → https://news.ycombinator.com/item?id=24947167

2019 → https://news.ycombinator.com/item?id=20899863

2018 → https://news.ycombinator.com/item?id=17790306

2017 → https://news.ycombinator.com/item?id=15148804

479 points | 552 commentspage 7
postatic 7 days ago|
I run SideProjectors - https://www.sideprojectors.com - a marketplace where people can buy/sell their side projects and businesses. I've been running it for over 14 years now.
fandorin 7 days ago|
interesting! how is it going? what’s the average price tag for such projects?
Jeremy1026 6 days ago||
I've been 3D printing accessories for the Volkswagen ID. Buzz since July. I started by modeling and printing a couple of things that I wanted, then added a couple of items that other owners have talked about on various subreddits and Facebook groups. I'm now moving about $750 worth of items a month. http://buzzprintco.etsy.com
tbensky 6 days ago||
https://www.youhere.org: "Want to know who showed up?" is the tag line. It's an app-based attendance service for teachers/coaches/band directors/conference organizers, etc. I'm a teacher and it scratches an itch I had (students not showing up to class). Been hitting the $500/month more and more often now (even after server fees).
manuelmoreale 7 days ago||
Not sure if blogging, collecting blogs, and interviewing people about blogging is considered a side project but ever now and again, depending on how generous the people on the other side are, I hit 500/month in donations.

Everything I do is free for everyone but for the past few years I’ve been running an entirely optional membership program that starts at $1/month.

I’m (probably naively) a big believer in kindness and I keep refusing to monetize what I do in any other way.

BeniBoy 7 days ago||
I designed a pocket music instrument. I partnered with a company in China called Seeedstudio, they do the manufacturing, shipping, customer handling, etc. and I receive royalties on each sale. I varies from month to month, but above the 500$/month on 2025 :)

I love to be able to focus on the design and not the practicalities of selling a hardware product!

https://minichord.com/

alsetmusic 4 days ago|
I'm a recording electronic musician and clicked through with interest. Maybe I overlooked it, but I didn't see where I could hear how it sounds. It should be so obvious that I can't miss it, so even if it's there, I'd suggest making the link more prominent.
hotdogsalesman 6 days ago||
kitecourier.com - the end-to-end certified mail platform that makes sending legal notices as easy as sending email.

Revenue is very spiky. Some months ~$10k, some ~$100.

Inspired by this Patrick McKenzie thread: https://news.ycombinator.com/item?id=7135833

Certified mail is weirdly powerful leverage. I decided to productize that.

ddon 6 days ago||
https://www.kitecourier.com/pricing is returning 404 page
hotdogsalesman 6 days ago||
Fixed, thanks!
hankmh 6 days ago|||
How do you handle the logistics? I presume you aren't printing and mailing everything manually...
hotdogsalesman 6 days ago||
https://lob.com handles printing/mailing
hankmh 6 days ago||
Nice! Thanks.
popupeyecare 6 days ago||
how do you get customers?
hotdogsalesman 6 days ago||
Just inbound for now. We haven’t really launched yet. Most customers find us on bing.
dudeWithAMood 6 days ago||
That's original. How'd you come up with an idea for that?
hotdogsalesman 6 days ago||
I had medical debt to dispute, which requires certified mail. Every time the debt was resold I had to print, sign, stuff an envelope, and go to the post office again.

I built it so people could push back without the logistics.

Then I realized that nobody wants to deal with mailing at all and certified mail is used for way more than debt disputes, so I expanded it into a general legal-notice service.

rriley 7 days ago||
https://unrav.io . Lets users reshape any article, paper, or video into the form that actually helps them think, mind-maps, summaries, podcasts, or interactive Q&A. Launched as part of the Bolt.new hackathon in August and growing steadily. Going from a 100% vibe coded web app to a full production system has been quite a ride!
nefrix 6 days ago|
This is such a cool idea; i am afraid in a few years people will stop watching full videos, instead they will ask ai bots to summarise it.
and-not-drew 7 days ago||
I've got 2 that are kind of intermingled. Each averages a little over $500/mo on their own though.

Sportsbook API (https://sportsbookapi.com/) - A single API to get odds data from a number of US Sportsbooks

Odds Assist Pro (http://pro.oddsassist.com/) - An odds scanner tool that shows both current odds and things like arbitrage, plus ev, middles. This actually started as just a UI for me to quickly do sanity checks on the API data and eventually grew into a full site. The site is on a subdomain of a site my business partner had built long before we met, so it's kind of positioned as the plus version of that site.

API revenue is really stable and has been pretty consistent slow growth. Pro's revenue is all over the place since it's almost all referrals and promos with big spikes around major sporting events. Probably averages at least $500/mo if you look at the entire year.

daverathmanner 6 days ago|
Awesome sites!
techtalksweekly 3 days ago||
https://techtalksweekly.io/

I run a newsletter called Tech Talks Weekly[1] where my subscribers get one email per week with all the latest Software Engineering conference talks and podcasts[2].

I originally built it for myself because I was subscribed to too many conference channels on YouTube and things started getting messy, so I wrote a script to fetch the new talks automatically. Eventually, I turned it into a newsletter.

I currently have over 7,500 subscribers with email open rate consistently between 32%-35%, although I plan to trim the list soon to get into the 40-50% range.

I recently started offering sponsorship options[3] and made $500 in Nov and $700 in Dec so far.

[1] https://techtalksweekly.io/

[2] https://www.techtalksweekly.io/p/what-is-tech-talks-weekly

[3] https://www.techtalksweekly.io/p/sponsor

meshosh 2 days ago|
I run a porn website that gets me around $1000 a month now. I'm doing this for about 5 years and it started as a side project to learn more about hosting, SEO, and monetization.

This was a simple Wordpress site, but then eventually I rebuilt the whole thing with Nextjs and tailwind because Wordpress was just too damn slow. In the process, I ended up building a custom CMS, which I'm now working on a white label version that I could sell in the future.

I'm hosting the whole thing on a VPS that costs about $30/month and have videos on cloudflare R2 for about $15/month.

[obviously NSFW] - https://blowjobit.com

phone_book 1 day ago|
How are you dealing with porn verification laws? I have an idea for something porn related but it feels like there is a lot of red tape now that I don't want to deal with but I haven't done all that much research into it so I am probably wrong
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