Just to chime in here, this is our monthly P&L (Viewable by the public) for all CBTC Operations (including PeerBet).
https://docs.google.com/spreadsheets/d/1mFzQOuJ-8hBI8ftH75EEhRkcpLh8NbJMJPOoKhK17Yo/edit#gid=19

It's possibly the ThrowAway account here is mixing operations (e.g. the sportsbook and other expenses not associated with PeerBet/Bit777), but you can see revenues for PeerBet / Bit777 called out explicitly in its own line item above

Server costs will run you around $600 per month with room to grow traffic.