TikTok advertising requires different minimum budgets depending on the type of ad account and campaign you want to launch. For self-serve advertising accounts, the minimum budget for a campaign is about 50 USD, and the minimum daily spend is about 20 USD. For Agency advertising accounts, budgets are typically higher and may require a larger initial investment, depending on the size and specific requirements of the campaign. Determining a minimum budget helps ensure your ad has enough potential to reach your target audience and achieve the desired effect.