In-House vs. Agency for Amazon PPC: Honest Comparison
Should you manage Amazon PPC in-house, hire a freelancer, or use an agency? A practical breakdown by spend level and account complexity.
Article summary
Should you manage Amazon PPC in-house, hire a freelancer, or use an agency? A practical breakdown by spend level and account complexity.
Key Takeaways
A founder reached out to me last month with a question I get every few weeks. They were spending $42,000/month on Amazon ads, had been burned by an agency the previous year, and were trying to decide between three options: hire an in-house Amazon manager, sign with a different agency, or stick with the freelancer they'd been using for six months.
About the Author
"I just want to know what's actually right for my size," they said. "Everyone I talk to is selling me their version."
On This Page
Fair question, and the answer matters because picking the wrong model is expensive. The wrong agency costs you $40k-$80k a year. The wrong in-house hire costs you a salary plus six months of underperformance. The wrong freelancer costs you scale.
The three-way comparison at a glance
Here's the honest breakdown, from someone who's been all three. I was an in-house Amazon Ads manager for years before I started consulting. I've worked as a freelancer, and I've run agency engagements. They're genuinely different jobs with different strengths, and most brands pick the wrong one for where they are.
When in-house wins
Key Takeaways In-house wins when you have brand-specific knowledge that is hard to transfer and enough volume to justify the salary. Agencies win when complexity exceeds what one person can manage well, typically above $25k/month ad spend with multiple ad types. Freelancers win in a tighter band than most people realize, usually $5k-$15k/month spend with focused scope. The hybrid model - in-house strategist plus agency execution - is underused and outperforms either option for most $50k+/month accounts. The $10k/month ad spend threshold is not arbitrary. It is where the math on professional management starts working.
When an agency wins
About the Author Miia Prystupa Amazon PPC Consultant & Marketplace Advertising Director 7+ years hands-on experience managing Amazon PPC across EU and US marketplaces Direct experience with Sponsored Products, Sponsored Brands, Sponsored Display, Amazon Marketing Cloud, and DSP Lite Managed and audited multi-million-dollar annual Amazon ad spend portfolios Former in-house Amazon Ads manager, now advising brands and agencies on scalable PPC systems Last updated: May 12, 2026
When a freelancer wins
On This Page Comparison When In-House Wins When an Agency Wins When a Freelancer Wins The Hybrid Model $10k Threshold Spend Levels How to Decide FAQ Bottom Line
The hybrid model nobody talks about
Each model has a real strength and a real weakness. Brands get into trouble when they pick based on price instead of fit.
The $10k/month threshold: why it exists
Model Strengths Weaknesses Realistic monthly cost In-house Deep brand knowledge, full focus on your account, no agency markup Slow to ramp, single point of failure, plateaus without external input $5,000-$10,000 fully loaded Agency Specialist team, advanced tools, scalable, exposure to many account patterns Higher cost, less brand-specific context, account manager turnover risk $2,500-$15,000+ Freelancer Cost-effective, focused, often senior-level talent Limited bandwidth, no backup if they are sick or busy, scaling ceiling $1,500-$5,000
Cost comparison at three spend levels
The right choice depends less on cost and more on what kind of work your account actually needs.