How Google Ads Works (Plain English)
Google Ads puts your business at the top of Google search results when people search for your services. You pay each time someone clicks your ad. That is the core of it.
Here is how it works in practice. You choose keywords related to your business. When someone searches those keywords, Google runs a real-time auction to decide which ads appear and in what order. The auction considers two things: how much you are willing to pay per click and your Quality Score, which measures how relevant your ad and landing page are to the search query.
Higher Quality Scores mean you can pay less per click and still outrank competitors. This is why account management matters. A well-optimized account with strong Quality Scores consistently beats a bigger budget with sloppy targeting.
"The most common misconception I hear from business owners is that Google Ads is about who spends the most. It is not. The metric that matters is cost per qualified lead. I have seen $1,500/month accounts outperform $5,000/month accounts because the smaller budget was managed properly." - Brock Olsen, Paid Media Strategist
Types of Google Ads Campaigns
Google Ads offers several campaign types. For local service businesses, only a few matter. Here is what each one does and whether it is relevant to your business.
| Campaign Type | Best For | How You Pay | Avg Cost Range | Difficulty Level | Recommended for Local Businesses |
|---|---|---|---|---|---|
| Search Ads | Capturing high-intent searches | Per click | $3-$30/click | Medium | Yes (primary) |
| Local Service Ads | Service-area businesses | Per lead | $25-$75/lead | Low | Yes (if eligible) |
| Display Ads | Brand awareness, retargeting | Per click or impression | $0.50-$5/click | Medium | Retargeting only |
| Performance Max | Multi-channel automation | Per click | Varies | Low (setup), High (optimization) | After search is optimized |
| Shopping Ads | Ecommerce products | Per click | $0.30-$3/click | Medium | Ecommerce only |
| Video (YouTube) | Brand awareness, education | Per view or click | $0.05-$0.30/view | High | Rarely |
For most local businesses, the priority is Search Ads and Local Service Ads. Search ads capture people actively looking for your services. Local Service Ads put you at the very top of Google with a Google Guaranteed badge and charge per lead instead of per click.
Display ads, Performance Max, and video campaigns have their place, but they are secondary channels. Start with search. Build from there.
How Much Does Google Ads Cost?
The honest answer: it depends on your industry and location. But "it depends" is not helpful, so here is real data from the 100+ accounts we manage across the Pacific Northwest.
| Industry | Avg CPC | Monthly Budget | Est. Clicks/Mo | Est. Leads/Mo | Est. Cost Per Lead |
|---|---|---|---|---|---|
| Contractors (General) | $10-$25 | $2,000 | 80-200 | 8-20 | $100-$250 |
| Roofers | $15-$45 | $2,500 | 55-165 | 6-16 | $155-$415 |
| HVAC | $15-$35 | $2,000 | 57-133 | 6-13 | $155-$335 |
| Plumbers | $12-$25 | $1,500 | 60-125 | 6-12 | $125-$250 |
| Medical Practices | $8-$18 | $2,000 | 110-250 | 11-25 | $80-$180 |
| Therapists | $5-$12 | $1,000 | 83-200 | 8-20 | $50-$125 |
| Landscapers | $5-$15 | $1,000 | 67-200 | 7-20 | $50-$145 |
| Painters | $8-$18 | $1,500 | 83-188 | 8-19 | $80-$190 |
These numbers come from our accounts in the Seattle and Boise markets. Your results will vary based on competition, location, and how well your campaigns are managed. But they give you a realistic starting point.
For a deeper breakdown by budget level, read our Google Ads budget guide.
Google Ads vs SEO
Business owners often ask whether they should invest in Google Ads or SEO. Here is the honest comparison.
| Factor | Google Ads | SEO |
|---|---|---|
| Time to results | Immediate (days) | 3-6 months |
| Cost model | Pay per click | Monthly retainer |
| Traffic when you stop | Stops immediately | Continues (compounds) |
| Best for | Immediate leads, testing | Long-term pipeline |
| Difficulty | Medium (ongoing management) | High (requires patience) |
| Long-term ROI | Consistent (flat) | Increasing (compounds) |
The best approach for most businesses is both. Google Ads delivers leads today while SEO builds your long-term pipeline. For a more detailed comparison, see our SEO vs Google Ads guide.
Is Google Ads Worth It for Small Businesses?
Yes, if the following are true for your business:
- You sell a service or product people search for on Google
- Your profit margin supports the cost per lead for your industry
- Your website can convert the traffic into inquiries
- You can handle the leads that come in
Google Ads is not worth it if your profit margins are razor thin and cannot absorb ad costs, or if your website is not set up to convert visitors. Sending paid traffic to a homepage with no clear call to action is the fastest way to waste money.
"A realistic first month on Google Ads looks like this: $1,500 in ad spend, 100-200 clicks, and 5-15 leads depending on industry. The first month is a learning period. Google needs data to optimize. By month two, you will see the cost per lead start to drop as the system learns what works." - Leo Speaks, Sr. Account Manager
5 Things to Know Before Starting Google Ads
Before you spend a dollar on Google Ads, make sure these five things are in place.
- Your website must convert first. If your site does not have clear calls to action, a phone number in the header, and fast load times, fix that before running ads. Paid traffic to a bad website is wasted money.
- Start with search ads, not display. Search ads reach people actively looking for your service. Display ads are for brand awareness. Start where the intent is.
- Track conversions from day one. Set up phone call tracking and form submission tracking before launching. Without conversion data, you cannot optimize.
- Negative keywords save budget. A plumber should not pay for clicks from people searching "plumbing school" or "plumbing supplies." Build your negative keyword list before launch and keep adding to it.
- The first month is learning, not earning. Expect Google to use month one to gather data. Real optimization happens in months two and three. This is why we start every Google Ads engagement with a 3-month initial agreement.
Frequently Asked Questions
How much should I spend on Google Ads per month?
Most local businesses should start with $1,500 to $3,000 per month in ad spend, plus management fees. Below $1,000/month, you typically do not collect enough data to optimize effectively. See our budget guide for industry-specific recommendations.
Can I run Google Ads myself?
You can, but most self-managed accounts waste 20-40% of their budget on fixable mistakes. Common issues include missing negative keywords, broad match without guardrails, and no conversion tracking. If you do manage it yourself, review your search terms report weekly.
How quickly do Google Ads start working?
Ads can appear within 24 hours of launch. However, meaningful optimization takes 30-90 days as Google collects conversion data. The first month is typically a learning period. Performance improves in months two and three.
What is the difference between Google Ads and SEO?
Google Ads are paid placements at the top of search results. You pay per click. SEO is the process of earning organic rankings below the ads. SEO takes longer but compounds over time. Most businesses benefit from running both simultaneously.
Do Google Ads work for local businesses?
Yes. Local businesses often see strong results because they target a defined geographic area, which limits competition and keeps costs manageable. Combining search ads with Local Service Ads maximizes your visibility at the top of Google.
What is a good click-through rate for Google Ads?
For search ads, a good click-through rate is 4-6%. Below 2% indicates an ad copy or targeting problem. Above 6% is excellent. Click-through rate varies by industry. Home services tend to run higher because searches are high-intent.
