The answer is Facebook. Everything you do throughout Facebook in terms of advertising (ad spend) is directly billed from Facebook. Zalster on the other hand is the platform that makes your Facebook advertising super smooth and successful, but we only charge you our fee which is 5% of your total ad spend (with a minimum of $595/month).

For example, if your ad spend is $250,000/month, you pay $250,000 to Facebook and $12,500 to Zalster ($250,000 x 0,05). 

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