I built an AI content repurposing tool and just went live — here's what I've learned so far

Hey everyone! I've been building RepostAI — an AI tool that takes a blog post, article, or transcript and turns it into platform-specific content for 10 different platforms (Twitter, LinkedIn, Instagram, TikTok, Facebook, YouTube Shorts, Pinterest, Reddit, Newsletter, Blog Summary) in seconds.
The problem I kept hitting: I'd write a solid blog post then spend an hour manually rewriting it for every social platform. Each one needs a different hook, tone, length, and format. So I built something to automate that part.
It's live now at getrepostai.com with a free tier (5 repurposes/month) so anyone can try it.
A few things I've learned launching this:

Reddit karma gating is brutal when you're new. Most subreddits auto-remove your posts
Quora answers are surprisingly good for long-term SEO traffic
Twitter/X build in public posts get genuine engagement if you're not just spamming links
The hardest part isn't building — it's getting those first users

Still at zero paying customers so this is very much day one. Would love any feedback on the product or advice on early traction from anyone who's been through this stage.