4thline.ai
Case studies

Recent client results.

Six recent results. No client names.

Paid ads · Ecommerce

~8x return on ad spend

About $8 in online sales for every $1 in ad spend, on orders averaging around $200

Every $1 in ad spend returns about $8 in online sales.
Ad spend versus online sales Ad spend · $1 Online sales · ~$8
Meta Ads · Home services

470 leads

Metro Detroit / Ann Arbor · $49.86 cost per lead (−28%)

Cost per lead is 28% lower than the prior CPL. Current CPL is $49.86.
Cost per lead, down 28% Two comparison bars. Prior cost per lead is the full-length reference bar. Current cost per lead is $49.86, drawn at 72% of that length to show a 28% decrease. 470 leads in Metro Detroit and Ann Arbor. Prior CPL Now · $49.86 −28%
Meta Ads · Martial arts

60–66 / week

Southeast Michigan · ~$8–9 cost per lead

Weekly lead volume holds between 60 and 66, at about $8–9 cost per lead.
Weekly leads and cost-per-lead ranges Two labeled range bands. Weekly leads span 60 to 66. Cost per lead spans about $8 to $9. Southeast Michigan martial arts, Meta Ads. Weekly leads 60 66 Cost per lead ~$8 $9
Plumbing · Southeast Michigan

New brand, website, then Google and Meta Ads

When the owner left a franchise to run an independent plumbing company, they needed a brand and a demand engine from scratch.

We built a new website (launched April 2025), put baseline SEO in place, then ran Google Ads — and later Meta Ads. In mid-2026 we added six location pages for surrounding Downriver communities (Allen Park, Taylor, Southgate, Riverview, Wyandotte, Romulus).

$52–$76

Google Ads CPA about $52–$76 per lead.

Google Ads cost per acquisition sits in a $52–$76 band per lead.
Google Ads CPA range A range band from $52 to $76 cost per acquisition on Google Ads, Southeast Michigan plumbing. $52 $76 CPA band · per lead
SEO · Electronics

205 page-one keywords

Michigan · 86 in position #1 · 242 in the top two pages

Of 205 page-one keywords, 86 are in position #1. 242 keywords rank in the top two pages.
Electronics keyword ranking mix Three labeled bars. 86 keywords in position number one. 205 keywords on page one. 242 keywords in the top two pages. Michigan electronics SEO. #1 86 Page one 205 Top two pages 242
SEO · Sub-manufacturing

116 page-one keywords

Michigan · 59 in position #1 · #1 for Detroit kitting, Detroit subassembly, Romulus kitting

Of 116 page-one keywords, 59 are in position #1, including Detroit kitting, Detroit subassembly, and Romulus kitting.
Sub-manufacturing keyword ranking mix Two labeled bars. 59 keywords in position number one. 116 keywords on page one. Number one for Detroit kitting, Detroit subassembly, and Romulus kitting. #1 59 Page one 116
  • #1 Detroit kitting
  • #1 Detroit subassembly
  • #1 Romulus kitting
Websites

Websites we’ve shipped.

35+ website projects

Platforms we build on and design with — not client brands.

  • WordPress
  • Shopify
  • Webflow
  • GoHighLevel
  • Figma

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