Every Article Says the Same Thing
The SBA says 7-8% of revenue. Most small businesses spend 5-10%. Trade publications quote these numbers like gospel. But they're incomplete.
These percentages ignore the most important question: what's a customer actually worth to your business? This framework applies across all your digital marketing channels and tactics.
A law firm with a $10,000 average case value has completely different math than a cleaning company with a $200 average job. Both might be spending 7% of revenue on marketing, but one is spending it wisely and the other is hemorrhaging money.
This page teaches you the actual math. Not a percentage. Not a guess. A calculation based on your business, your customer value, and your goals.
The Industry Rule (And Why It's Incomplete)
The SBA recommends small businesses allocate 7-8% of revenue to marketing. Most startup guidance suggests 5-10%. Established businesses often spend 2-5%. These are useful starting points.
But here's the problem: these are percentages, not targets. A business with $500K revenue and a $1,000 average customer value needs different spend than a business with $500K revenue and a $50 average customer value. Both are seeing the same percentage recommendation, but one is vastly under-spending and the other is wasting money.
The real question isn't "what percentage should I spend?" It's "how much is a customer worth, and how much can I afford to spend acquiring them?"
The Customer Acquisition Cost Formula
This is the math that matters. Customer Acquisition Cost (CAC) tells you whether your marketing is profitable or wasteful.
CAC = Total Marketing Spend / New Customers Acquired
Example: You spent $3,000 on marketing last month and acquired 10 new customers. Your CAC is $300.
Now compare this to your customer lifetime value. If your average customer spends $2,000 total with you over time, and your gross margin is 50%, that customer generates $1,000 in gross profit. Spending $300 to acquire them gives you a 3:1 return. That's profitable.
Working the Math Backward
You can also work backward from customer value. If a customer is worth $3,000 to your business, a healthy marketing budget would be 10-15% of that customer value. That means you can afford to spend $300-450 acquiring each customer while maintaining 85-90% margin on that acquisition.
A customer worth $5,000? You can afford $500-750 CAC. A customer worth $200? You can afford $20-30 CAC, which means you're limited to very cheap marketing channels like organic search or referrals.
Affordable CAC = Customer Lifetime Value × 10-15%
Example: Average customer spends $3,000 with you. Comfortable CAC range: $300-450.
The Real Test: Does Marketing Pay for Itself?
If your CAC is $300 and each customer's lifetime value is $1,000, you're spending 30% of that value to acquire them. That's healthy if your operating costs allow it. If your CAC is $300 and customer lifetime value is $400, you're spending 75% of value to acquire them. That only works if you're in a growth phase willing to trade margin for scale.
Budget by Revenue Level
While percentages aren't perfect, they do give you a starting point. Here's what healthy marketing spend looks like by business size:
Under $250K Revenue
- Target spend: $500-$1,000/month
- Percentage: 8-12% of revenue
- Focus: Website, local SEO, Google Business Profile, basic paid search
- Hire: Minimal. DIY or freelancer.
$250K-$500K Revenue
- Target spend: $1,000-$3,000/month
- Percentage: 5-8% of revenue
- Focus: SEO, Google Ads, content, email, social ads
- Hire: Part-time consultant or small agency
$500K-$1M Revenue
- Target spend: $2,000-$5,000/month
- Percentage: 4-7% of revenue
- Focus: Integrated strategy across channels, content marketing, optimization
- Hire: Dedicated agency or in-house team
$1M+ Revenue
- Target spend: $5,000-$15,000+/month
- Percentage: 2-5% of revenue
- Focus: Sophisticated analytics, attribution, brand building, market expansion
- Hire: Dedicated team or premium agency with specialization
Notice that percentage goes down as revenue goes up. That's because your brand gets stronger, referrals increase, and efficiency improves. A $100K business spending 10% on marketing ($10K/year) is normal. A $1M business spending 5% ($50K/year) is also normal. The math works differently at different scales.
Where to Allocate Your Budget
Once you know how much to spend, you need to know where. This varies by business stage:
Early Stage (Year 1, < $250K revenue)
Focus on foundation: 40% website optimization, 30% local SEO, 20% Google Ads testing, 10% content. You're building visible presence and testing what works. Most spend is on tools and small ad budgets.
Growth Stage ($250K-$1M revenue)
Balance acquisition and retention: 30% SEO and content (long-term asset), 30% paid ads (Google, Facebook), 20% email and retention, 20% optimization and testing. You're scaling what works and building owned channels.
Mature Stage ($1M+ revenue)
Optimize efficiency: 25% brand and awareness (TV, events, sponsorships), 25% performance marketing (Google Ads, targeted social), 25% content and SEO (compounding), 25% testing, optimization, emerging channels. You're diversifying and protecting against platform changes.
Monthly Marketing Budget: $2,000 (Growth Stage Example)
SEO and Content: $600 (strategy, optimization, content creation). Google Ads: $600 (lead capture and testing). Email and Retention: $400 (email platform, copywriting). Testing and Optimization: $400 (tools, A/B testing, analytics).
How to Hire a Marketing Agency
At some point, outsourcing saves time and generates better results. This is how to evaluate and hire the right partner.
What to Look For
A good agency asks questions before quoting. They want to understand your business, customer, margins, and goals. They show you case studies of similar businesses. They explain how they'll measure success. They give you transparency into what they're doing and why.
What to Ask
- How will you measure success? (Metrics, reporting, frequency)
- What exactly will you do? (Specific channels, tactics, timeline)
- Will I have access to my data? (Google Analytics, Search Console, ad accounts)
- How will we communicate and report? (Weekly, monthly, what's included)
- What's your pricing model? (Retainer, performance-based, hourly)
- Can you provide references? (Ask them and actually call)
Red Flags
Avoid agencies that guarantee rankings, push you into year-long contracts, won't explain what they're doing, or focus on rankings instead of leads and sales.
Pricing Models
Most common. You pay $1,500-5,000/month for ongoing work. You know your cost upfront. The agency has incentive to deliver results to keep you. Good for long-term relationships.
You pay $5,000-15,000+ for a specific project (website redesign, SEO audit, campaign). Good for one-off needs. Less ongoing relationship.
You pay based on results (cost per lead, percentage of revenue generated). Aligns incentives. Risky if the agency isn't confident. Rare at reputable firms.
For context, Rapid City Digital's plans range from $297/month (SEO) to $797/month (full marketing management with paid ads). We don't mark up ad spend—it goes directly from your account to Google or Meta. No contracts. No long-term commitments. See our full pricing breakdown at our pricing page.
When to Increase Your Budget
You're Seeing Positive ROI on Current Spend
If your current marketing is returning 3:1 or better (for every dollar spent, you get $3 back), increase spend. You've found efficient channels. Scale them.
You Have Capacity to Handle More Customers
Don't increase marketing spend if you can't deliver on more business. If you're understaffed, add staff or process first. Then increase marketing.
You're Entering a New Market
Expanding geographically or to new customer segments requires testing budget. This might look like decreased overall ROI initially, but it's an investment in new revenue streams.
A New Competitor Enters Your Space
When competition increases, so does customer acquisition cost. You may need higher spend just to maintain leads. This is why established brands spend less percentage-wise. They have market share and brand trust competitors lack.
Your Customer Acquisition Cost Has Decreased
If your CAC dropped from $300 to $250 while customer value stayed at $3,000, you suddenly have room to spend more while maintaining margin. Reinvest the savings into volume.
Frequently Asked Questions
Is 5% of revenue enough for marketing?
For most small businesses, 5% is a solid floor. But you can't ignore customer acquisition cost. If your CAC is low relative to customer lifetime value, you may spend more. If CAC is high relative to LTV, you may spend less. The percentage matters less than the ratio.
What's the cheapest effective marketing?
Word-of-mouth and referrals are cheapest because you only pay for results. Organic SEO and content are cheap if you do them in-house, more expensive if you hire. Digital advertising (Google Ads, Facebook) scales efficiently but requires testing budget. Start small and measure results.
Should I hire a marketing agency or do it myself?
DIY if you have time and existing marketing skills. Hire if you don't. A good agency can cost $1,500-5,000/month, though some—like ours—run $297-$797/month with no contracts. It frees you to focus on business. A bad agency wastes money. See our guide to hiring an SEO company which covers the same principles for any marketing hire.
What should I spend on first?
Website comes first. You need a place for people to land and convert. Then SEO or local optimization so people find you organically. Then paid ads (Google Ads, Facebook) to accelerate. Then email and content if you have existing audience. The order depends on your business stage.
How do I know if my marketing budget is working?
Track cost per lead and cost per sale. If you spend $1,000 on marketing and get 10 leads, that's $100 per lead. If 2 become sales worth $5,000 each, your CAC is $250 per sale. Compare this ratio to your gross margin. If your margin is 50% and CAC is 20% of sale value, you're profitable.
Can I start marketing with $500/month?
Yes. $500/month is enough to start with focused SEO through an agency or run a tight Google Ads campaign in a low-competition market. You don't need thousands to get started—you need the right channel for your business. Pick one, test it, measure results, then scale up once you know ROI.
Get a Custom Budget Recommendation
The right marketing budget depends on your business, not a generic percentage. We'll walk you through the math based on your customer value and business goals.
If you're in or near Rapid City and ready to build a data-driven marketing strategy with the right budget, let's talk.
Call 605-484-1742 or send a message below and we'll recommend a budget and strategy that matches your actual business.