What budget do you need for ads?
"How much budget do I need?" is one of the first questions — and it has no single answer. It depends on your sector, competition and goal. But there are clear principles.
In short
- ✓The minimum budget depends on sector and competition
- ✓You need enough data for the algorithm to learn
- ✓Too little budget + too many channels = waste
- ✓Start with one main channel, then scale
The logic behind it
Ads have a learning period (2–4 weeks). The algorithm needs enough conversions to optimise.
A budget that's too small, split across too many channels, never gathers enough data anywhere — and never optimises.
How to think about the figure
Start from the estimated cost per result (CPL/CPA) in your sector and how many results you want per month.
For local services you can start with a few hundred pounds; for competitive sectors or ecommerce you'll need more.
📌 Concrete example
A car garage wants 20 bookings/month at an estimated CPL of £60. A rough budget: ~£1,200 of media plus a testing margin. Less than that = not enough data to optimise.
Common mistakes
- ⚠️Splitting a small budget across 4 channels at once.
- ⚠️Changing the budget daily, resetting the learning.
What to keep an eye on
- →The estimated cost per result in your sector
- →How many conversions the campaign gathers (enough to learn?)
How eFlo helps you
eFlo estimates the right budget based on your sector and goal and allocates it to the channel with the most potential. You can also try the free budget planner.
Want to see how your business is doing?
eFlo turns concepts into tasks, reports and recommendations for your account.
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