Once the YouTuber links Google AdSense to their channel, they make 68% of the ad revenue (see Google AdSense Revenue Share). YouTube charges advertisers when a viewer watches 30 seconds or more of the ad, and typically charges around $.18 per view (see How Much Do Ads on YouTube Cost).
No credit is given for periods of nonpay status and time off the rolls, except under the following conditions: (A) Credit is given for the first 30 calendar days of each period of nonpay status on the rolls during full-time employment, or during part-time employment on or after July 1, 1962. On this same basis, a seasonal employee receives credit for the first 30 calendar days of each period of nonduty/nonpay status.
Your annual leave must be scheduled and approved in advance. Most federal employees earn 13 days of annual leave each leave year if they have less than three years of service, 20 days if they have three years but less than 15 years of service, and 26 days if they have 15 years or more of service.