bavstudios
Insights

Field notes from
the trading desk.

No hot takes, no AI slop. Just what's working in Meta and Google right now, the metrics that actually decide if you're profitable, and what we learn letting a machine watch every account at 7am.

Performance Metrics6 min

Blended ROAS vs Platform ROAS: Stop Double-Counting

Add up the ROAS each platform reports and the total beats your bank. Blended ROAS is the only number that reconciles. Here's how to run both without confusing the two.

Juan Bajo3 June 2026
Abstract dark visualisation of an ad account control deck at night, a single calm cyan node holding the centre while a constellation of folly-red data points orbits it - the operating layer that never sleeps.
AI Ad Management6 min

What Is an AI COO? The Role Already Running Ad Accounts

There is a role nobody hired for that has been quietly running the best ad accounts for about two years. Call it the AI COO. It is not a tool. It is a function.

Juan Bajo2 June 2026
Abstract dark visualisation of an overnight ROAS dip - a smooth cyan revenue line on a deep navy field falling sharply in the small hours, a single red marker pulsing where the drop hits, a faint clock arc framing the moment.
Paid Social7 min

Your ROAS Dropped Overnight: A 15-Minute Diagnosis

When your ROAS craters overnight, the panic move is to pause everything before coffee. The operator move is a 15-minute triage that tells you whether to pause, hold, or wait one more day.

Juan Bajo1 June 2026
Abstract dark visualisation of a smartphone-shaped frame glowing cyan on a deep navy field, the frame holding a single radiating beam of folly-red light suggesting an insider perspective, a smaller faded duplicate phone-frame falling away into soft shadow.
Creative Strategy6 min

UGC Ads for Ecommerce: What Actually Performs in 2026

Most UGC ads that perform in 2026 aren't really UGC at all. They're a specific visual frame the brand can't legally use itself - and the sourcing question is the wrong one to be asking.

Juan Bajo31 May 2026
Abstract dark visualisation of a 20 percent scale step - a glowing cyan bar climbing in measured stair-steps on a deep navy field, a single red bar attempting a steep vertical jump and snapping mid-air, the broken arc still falling.
Paid Social6 min

The 20% Rule: How Fast You Can Scale Facebook Ads

The 20% scaling rule is the safe step-size most accounts can absorb without re-opening Meta's learning phase. Here's where the number comes from, where it's too cautious, and what breaks at 50%.

Juan Bajo30 May 2026
Abstract dark visualisation of two stacked layers on a deep navy background - the upper layer a single glowing red human silhouette under one spotlight, the lower layer a vast cyan neural lattice churning with thousands of small light pulses, joined by a single vertical thread of indigo light.
AI Ad Management7 min

AI vs Human Media Buyer: We Settled It by Using Both

AI vs human media buyer is the wrong fight. Run both, give each only the work they're actually better at, and the question dissolves into an operating model.

Juan Bajo29 May 2026
Abstract dark visualisation of a four-layer creative lever stack - a glowing red top layer for hooks, cyan middle layers for angles and formats, and a dim indigo base layer for audiences, stacked like a pyramid on a deep navy background.
Creative Strategy6 min

Ad Creative Frameworks: Hooks, Angles, Formats, Audiences

Most ad tests are five unrelated changes glued together. Pick frameworks one layer at a time, in the right order, and a $200 test answers what $2,000 of mush couldn't.

Juan Bajo28 May 2026
Abstract dark visualisation of a steering wheel splitting into two glowing paths on a deep navy background - one cyan automated track curving smoothly to the right, one red manual track with discrete control nodes to the left, light flowing forward through both.
Paid Social6 min

Advantage+ vs Manual Campaigns: When to Hand Meta's AI the Wheel

Advantage+ is faster and smarter than it was. It's also a black box. The real question isn't which is better - it's how much control you can afford to give up right now.

Juan Bajo28 May 2026
Abstract dark visualisation of a balance scale on a deep navy background - a glowing cyan side holding automated data flows, a red side holding a single human-judgment node, with indigo light tilting the beam into equilibrium between them.
AI Ad Management6 min

AI Ad Management: Where the Machine Helps and Where It Doesn't

AI ad management is genuinely good at the boring, fast, repetitive work - and genuinely bad at the work that decides whether you have a business. Here's the line.

Juan Bajo28 May 2026
Abstract dark visualisation of a divided control room on a deep navy background - a cyan automated panel of glowing dials on the left running itself, a red human-judgment node on the right, with a bright indigo bridge of light connecting the two.
AI Ad Management6 min

Can AI Actually Run Your Facebook Ads? Tools vs a Human+AI Team

AI can run the machinery of your Facebook ads. It cannot run the judgment. The question isn't can AI replace the marketer - it's which half of the job belongs to which.

Juan Bajo28 May 2026
Abstract dark visualisation of a creative-testing ladder - glowing red and cyan rungs ascending left to right on a deep navy background, with thin test signals at the bottom widening into one bright scaling beam at the top.
Creative Strategy5 min

How to Test Ad Creatives Without Wasting Half Your Budget

Most teams test creative by throwing money at it and waiting. That's how you spend half your budget learning what a $50 test could have told you in three days.

Juan Bajo28 May 2026
Abstract dark visualisation of a marketing efficiency ratio - a single bright cyan ratio line bisecting a deep navy field, total revenue mass above and total spend mass below, clean and undivided by channel.
Performance Metrics5 min

Marketing Efficiency Ratio: Why CFOs Trust MER, Not ROAS

ROAS makes the dashboard happy. MER makes the CFO nod. One is a per-channel diagnostic the platforms inflate. The other is one honest number your finance team can act on.

Juan Bajo28 May 2026
Abstract dark visualisation of a three-tier metric stack - three concentric glowing rings on a deep navy background, smallest cyan ring at top (CAC), a brighter middle ring (MER), and the widest red ring at the base (ROAS), with light flowing upward through them.
Performance Metrics6 min

ROAS vs MER vs CAC: The Metrics That Decide Profit

ROAS makes the dashboard happy. MER tells your CFO the truth. CAC tells your board if you have a business. Three numbers, three altitudes, three jobs.

Juan Bajo28 May 2026
Abstract dark visualisation of a controlled ascent - a glowing cyan budget line stepping upward in measured increments on a deep navy background, with a faint red line showing a reckless vertical spike that snaps and falls.
Paid Social5 min

How to Scale Facebook Ads Without Watching ROAS Collapse

Doubling the budget on a winner is the fastest way to kill it. Scaling that holds ROAS is a sequence of small, patient moves - not one brave one.

Juan Bajo28 May 2026
Abstract dark visualisation of a scrolling feed mid-motion, every frame a soft blur except one arresting cyan-and-red panel that snaps into sharp focus.
Creative Strategy5 min

What Makes an Ad Scroll-Stopping (Not Just Pretty)

Beautiful ads get scrolled past every day. Scroll-stopping isn't an aesthetic, it's a violation - a small break in the pattern the thumb was expecting.

Juan Bajo28 May 2026
Abstract dark visualisation of an ad account dashboard glowing alone through the night, a single cyan pulse line watching while everything else sleeps.
AI Ad Management5 min

The 7am Problem: What Happens While Your Agency Sleeps

Your ads don't keep office hours. They spend all night, every night, with nobody watching. The gap between when something breaks and when a human notices is where the money goes.

Juan Bajo28 May 2026
Abstract dark visualisation of break-even ROAS - a single bright cyan threshold line on a deep navy field, a dim red value sitting just below it and a bright value rising above, the line being the only number that matters.
Performance Metrics5 min

What Is a Good ROAS? It Depends on One Number

The honest answer to 'what is a good ROAS' isn't 4x. It's whatever clears your break-even - and that number is set by your contribution margin, which most dashboards quietly hide.

Juan Bajo28 May 2026
Abstract dark visualisation of a diagnostic funnel - four glowing horizontal layers descending on a deep navy background, the top layer bright cyan and intact, a lower layer cracked and flickering red where the conversion break sits.
Paid Social5 min

Why Your Facebook Ads Stopped Converting: A Checklist

When ads that used to convert suddenly don't, panic makes you change everything at once. A diagnostic works top-down, in order, until the broken layer shows itself.

Juan Bajo28 May 2026
Abstract dark visualisation of attribution double-counting - three glowing red channel beams on a deep navy background all pointing at a single bright cyan node, each claiming the same point of light.
Performance Metrics5 min

Why Platform ROAS Is Lying to You (And What to Track)

Add up the ROAS each platform reports and you'll often beat your actual revenue by 2x or more. The platforms aren't broken. They're each taking full credit for the same sale.

Juan Bajo28 May 2026
Abstract dark visualisation of a human silhouette and a glowing red-and-cyan neural lattice working in tandem, neither dominating the frame.
AI Ad Management5 min

Will AI Replace Media Buyers? An Honest Answer

Will AI replace media buyers? Wrong question. The button-pushers are already gone. What survives is the part of the job nobody was actually paying for.

Juan Bajo28 May 2026
Abstract dark visualisation of a creative-testing pipeline - glowing red and cyan panels funnelling left to right into a single bright winning signal.
Creative Strategy3 min

The Creative-First Testing Framework We Run on Every Account

Audiences are not your lever anymore. Creative is. Test in the wrong order and you'll burn budget proving things the algorithm already knew.

Juan Bajo27 May 2026

Ready when you are

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