A few months ago, I hit a wall. I was managing a small online store and part of my strategy was to stay active in various Facebook Buy and Sell groups.
I had joined more than 20 highly-targeted groups over the years, and the goal was simple: post listings, engage with buyers, and drive traffic back to my product pages. But then came Meta’s April 2024 API update… and everything changed.
The group API was deprecated, and suddenly, third-party tools I had been using for automation just stopped working. Tools I relied on daily gone overnight. I was frustrated, especially since there were no real alternatives that didn’t seem shady or overly complex. I felt like I was being punished for trying to be productive.
I Tried All the Tricks Here’s What Actually Worked
The first thing I did was scour Reddit and YouTube for workarounds. A lot of “hacks” required sketchy browser extensions or external tools that violated Facebook’s community policies. I wasn’t about to risk ending up in Facebook jail, especially with my brand tied to the account.
Then I stumbled upon something oddly simple: Facebook’s own built-in “Sell Something” feature inside Buy and Sell groups. It was almost too obvious to notice before. Here’s what I did step-by-step, and why it actually works.
Step-by-Step: How I Post in Up to 20 Facebook Groups at Once
- I clicked on the “Sell Something” box in one of my buy and sell groups.
- I selected the type of product I was listing there are usually four options.
- Then I filled in all the listing details: pictures, title, price, and a short description.
- After that, I could see a list of groups I had already joined. I simply tick-marked the ones I wanted to post in up to 20 groups at once.
- Hit Next, and boom my product was live across multiple relevant groups.
What really surprised me? No third-party anything. It’s all natively built into Facebook’s Buy and Sell feature set. That’s what made it feel so much more secure.
This One Reason I Still Love the Manual Sharing Method
Okay, so not every group is a buy and sell group. That’s where public group sharing comes in. If I post in a public group, I can simply tap the “Share” button, select the Group icon, and pick other groups to re-share my post.
It’s not as fast, but it works. Plus, it gives me control over which specific group sees which version of my post. I can tailor the content for different audiences instead of blanket-posting the same thing everywhere.
One Annoying Issue with All This…
The biggest downside? Private groups don’t allow post sharing, and if your niche relies heavily on private communities (like mine does in the parenting space), that limits your reach.
Also, everything depends on group settings and whether your group admin has enabled the Buy and Sell feature. If that’s not enabled, you won’t see the “Sell Something” option which can be incredibly frustrating if you’re trying to stay organized and efficient.
What About Automation Tools in 2025?
I’ve tested a few particular automation tools that don’t rely on Facebook’s API and while they technically work, I wouldn’t recommend them unless you absolutely know what you’re doing. One wrong step and Meta might flag your behavior.
For now, your best bet is to stick with Facebook’s built-in tools. Even though it’s more time-consuming, it’s also more efficient long-term because it reduces the risk of bans or spam flags.
What I Learned About Timing
This one surprised me: I noticed way better engagement when I posted between 12 PM–3 PM or in the early evening hours like 7–9 PM. According to some group analytics, Thursday to Sunday are peak days. And yes, I even tested posting at 8 PM on Thursdays, and weirdly enough it worked.
A Few Final Tips (Based on My Regrets)
- Don’t post irrelevant content. If your post is about a software tutorial, don’t share it in a cooking group. Sounds obvious, but trust me I’ve made that mistake.
- Be deliberate about your niche. Tailor your message and make sure the group actually wants your kind of content.
- Avoid marketing-heavy copy in groups labeled for sales or general discussion. Facebook users are smart they can spot a pitch from a mile away.
Final Thoughts
The urge to automate everything is real, especially in 2025. But sometimes, going manual or semi-manual with the tools Facebook already provides can be just as powerful if you know where to look.
If you’ve been burned by deprecated APIs or lost time to banned tools, I get it. I’ve been there too. But with a bit of patience, and by focusing on built-in features, you can still post in multiple Facebook groups without risking your account and actually get results.
Let me know if you’ve found any other methods that work. I’m always looking to make the process smoother.
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