The short answer
Meta needs about fifty conversion events a week — 200 a month — on the lead event before a campaign leaves the learning phase and can scale. At $100 a day, or $3,000 a month, that means paying no more than $15 a lead, and most MCA accounts pay $20 to $30, so at the floor budget a campaign is usually still in learning. There are two ways out: raise the budget gradually, 10 to 15% every three days, until the event clears fifty a week; or, with little traffic, fire the lead event earlier in the funnel. With a lot of traffic, fire it deeper instead.
Fifty conversion events a week is the number people argue about. Some call it a myth. Alex’s answer, after multiple six figures of spend on his own accounts and clients’: you need fifty a week on whatever your lead event is, and you need to work out how to get there. At high budgets it happens on its own. At the $100-a-day floor it mostly does not, and the arithmetic says why.

The arithmetic
| Daily budget | A month | Highest cost per lead that still makes 200 a month |
|---|---|---|
| $100 | $3,000 | $15 |
| $200 | $6,000 | $30 |
| $300 | $9,000 | $45 |
| $500 | $15,000 | $75 |
The event in that sum is the one on the board: a merchant who filled out the form and verified the phone with a six-digit passcode, landing on the thank-you page. A qualified lead of that kind costs $15 to $30 on Meta, and our main campaign measured $24.07. At $20 or $30 a lead, $100 a day buys 100 to 150 a month, and the campaign stays in learning and cannot scale. So $100 a day is where you start, with the plan to grow out of it, not where you stay.
Two ways out
- Raise the budget slowly. Start at $100 a day and increase it 10 to 15% every three days. At 15% that doubles the budget in about fifteen days; at 10%, in a little over three weeks. The moment the event clears fifty a week, the campaign is out of learning and into scaling.
- Move the event. With little traffic, fire the lead event earlier in the funnel so more merchants reach it. With a lot of traffic — a thousand events a month, say — fire it deeper: a stricter qualification, a lender submission or a funded deal from the CRM.
Fifty a week is counted per ad set, which is why a small budget belongs in one campaign and one ad set with ten to fifteen creatives rather than split across several. It is also the second of five reasons a working campaign stops: an account that was out of learning can fall back in when the cost per lead rises and the weekly count slips under fifty.