01 / Introduction

First, the receipt. Then the actual news. 

Last issue ended with a prediction: the Labor Day effect would give something back, and I would report it either way. Here is the scorecard. Search snapped back on cue, with Google's nCAC down 4% to $172 and conversion up on both Google and Microsoft. Meta, meanwhile, never gave anything back. Third straight week of falling new customer cost, now at $78. The full grids are below.

But the real story of the week is not the two channels everyone watches. It is the one most brands quietly gave up on measuring. This issue tells that story, then walks the same four verified grids as always: new customer acquisition, first click versus last click, overall channel performance, and new customer lifetime value. All first-party, order-verified, aggregated across hundreds of Wicked Reports accounts. No modeling, no surveys.

02 / Analysis 

 Video's quiet reset, and how much of it is real 

Three YouTube numbers moved together this week, and the combination matters more than any one of them. Verified nCAC fell 43% to $360. New visit to customer conversion rose 54%. And the share of YouTube's tracked customers who are genuinely new jumped from 56% to 79%, which pulled its markup over blended CAC down from 79% to 25%. Click prices were flat. This was not YouTube getting cheaper to click. It was YouTube traffic converting better and skewing much harder toward first-time buyers. 

Why does this matter beyond one channel's good week? Because YouTube is the channel where the measurement excuse runs deepest. Views happen on a TV screen, the click comes days later from a phone, last-click reporting hands the sale to search, and the line item gets cut. This week, verified at the order level, that supposedly unmeasurable channel bought a new customer for $360 while carrying the second-highest new-customer share of any paid channel at 79%, behind only Meta's 91%. Video is prospecting almost by definition, and this week the prospecting got dramatically more efficient.

The honest note, and this one needs to be firm. This is one week of data on a channel carrying 4.3% of tracked spend, so a smaller pool of accounts can move the aggregate more than it could on Meta or Google. Part of the drop is plain post-holiday normalization, because YouTube's cost inflated through the holiday weeks. But the give-back defense only stretches so far: a return to normal would land YouTube back in its pre-holiday range, and $360 is far below it, with the new-customer mix shift pointing the same direction. I am calling this a watch-list item, not a scale signal. If nCAC holds under roughly $450 next week with the new share staying near 80%, it starts to look structural. One week is never a budget decision.

03 / New Customer Acquisition 

The full acquisition picture, by channel

Beyond the YouTube row, note the search recovery I promised to report: Google and Microsoft conversion both climbed as the holiday effect unwound, exactly the snap-back Issue 011 predicted. TikTok swung violently the other way, conversion up 329% and nCAC down 80% to $227, but it whipsawed just as hard downward the week before, so I treat its week-to-week reads as noise until it strings a few together. Meta keeps grinding cheaper, a story we are now watching closely into Q4. 

04 / First Click vs Last Click 

Who starts the sale vs who takes the bow

The YouTube row here is the reason this week's reset went unnoticed on most dashboards. Video is under-credited on last click, so the platforms handing out credit gave a piece of YouTube's improvement to the search box that closed the journey. If your reporting runs on last click, your YouTube got cheaper this week and your dashboard told you Google did it. 

05 / Overall Channel Performance

Where the money goes, and THE TRUE COST OF A NEW CUSTOMER 

Look at YouTube's markup column against the search channels. A week ago video carried a 79% penalty between blended CAC and true new customer cost. This week it is 25%, tighter than Google's 58% and Microsoft's 70%. Search still posts the pretty ROAS numbers, and search is still where blended CAC most flatters the real cost of growth. The standing lesson of this grid does not change: the channels that look most efficient on ROAS are the ones borrowing most heavily from demand that already existed. 

06 / New Customer Lifetime Value

What a new customer becomes over a year

This grid is what turns YouTube's cheap week into a real economics question. A YouTube customer starts at $79 and nearly triples inside 30 days to $233, the steepest early payback curve of any paid channel, reaching $261 at one year. Judged on day-zero math, a $360 nCAC against a $79 first order looks indefensible. Judged on the 30-day number, the gap nearly closes on click-credited revenue alone, before any view-through contribution. The standing caveat applies: this grid blends brands at very different price points, so it is a directional market benchmark, not a promise for any one store. 

07 / Conclusion 

Put video on the watch list, with a number attached 

The September story so far: the holiday came and went, search snapped back, Meta keeps getting quietly cheaper, and now video just posted the biggest verified efficiency move of the month while most dashboards handed the credit to the search box. None of that is visible on last click, and none of it is visible on ROAS.

The move this week is specific. Pull your own YouTube new customer cost, verified against orders, not platform-reported. Write down this week's number and the new-customer share next to it. If both hold through next week, you have an early position on a channel most of your competitors stopped measuring years ago. That is the entire advantage: not spending more, just knowing sooner. I will publish what the aggregate did either way.

See your own version of these four grids.

Your real nCAC next to your aCAC, your first versus last click gap, your new customer LTV by channel, in your own account.

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How this week's numbers were built. Aggregated across hundreds of Wicked Reports client accounts for the week of September 13 to September 19, 2026, except first click vs last click, which uses a rolling 90 day window. New versus repeat is verified at the order level against first party order IDs, not modeled and not surveyed. The new visit to new customer conversion rate credits the channel that originated the new visit. Channels without cost data, including email, SMS, organic, and influencer, are left out of the cost comparisons. Snapchat is excluded for negligible spend. Pinterest is marked with an asterisk because it ran on a small number of new customers this week, so it is not used to anchor any headline. The channel labeled Facebook in the underlying platform data is shown here as Meta. Charts and tables carry meaning through direction, labels, and contrast rather than color alone.