Ad test budget calculator
The average dud burns $300–800 before it gets killed. Set your kill rule before you launch, and duds die on schedule instead of eating your budget.
$
Price minus product, shipping and fees. Use the ROAS tool if unsure.
$
x
1x = strict (kill fast), 3x = patient. Most operators run 1.5x.
Key metrics
$27
Kill line per ad-set, at zero sales
- Daily test spend
- $80
- Decision in
- 1.4 days
- Max total risk
- $108
Spend timeline per ad-set
D1
D2
D3
Kill line $27
Blue bars = cumulative spend. Once a bar crosses the kill line with no sales, cut it and move budget to what works.
Kill any ad-set that spends $27 with zero sales — you'll know in 1.4 days and risk at most $108 across 4 ad-sets.
The cheapest test is the one you skip.
Majorka shows real order volume before you put a dollar behind a dud.