A Google Ads budget should be based on lead value, conversion rate, cost per click, competition, geography, and the number of conversions needed to make reliable decisions. A budget that is too small may not collect enough data to optimize. A budget that is too large without proper tracking can waste money quickly. The right starting point usually estimates expected clicks, landing page conversion rate, target cost per lead, and close rate. The goal is not just traffic; it is profitable acquisition. Budget should also include landing page, tracking, creative, and management work.
Example
If clicks cost $12 and the landing page converts 8% of visitors, roughly 100 clicks may produce about eight leads. Whether that is profitable depends on close rate, average sale value, and customer lifetime value.