How does the Bonus Code system work? 

You can earn free $. Send your bonus code to your friends and advertise it online. Every player who uses your bonus code will receive a 10% bonus on their deposit, and you'll receive a 5% commission on their payment.  

You have a Youtube/Twitch/TikTok/Instagram/Twitter/Facebook or other social media channel?

Check out https://csgocases.com/p/partnership.