Is there a smart way to get good SEO content without overpaying?

Hey folks, I’ve been working on a couple of niche blogs and now I really need help with content that actually ranks. I’m on a tight budget, though. Has anyone here used affordable SEO copywriting services that actually delivered decent results? I’m not looking for anything fancy just solid, optimized writing at a fair rate. Would love to hear what’s worked for you and what to avoid.