Google Ads gives you control over your budget
Google Ads gives you control over how you spend your money. There’s no minimum. And you can choose how much you spend per month, per day, and per ad. You’ll only pay when someone clicks your ad.
Google Ads a viable option because gives you control over your budget. With cost-per-click (CPC) bidding, you’re charged only when someone is interested enough to click your ad.
You tell Google Ads the most you’re willing to pay for a click on your ad (called the maximum cost-per-click bid), but you could be charged less.
You have control over your Google Ads budget. You decide the average amount you want to spend each day.
Learn more here: https://support.google.com/google-ads/answer/6123875