So that island has 52 poke stops and you can reach about 20 gyms. If you stumble upon legendary adventures here on RU-vid and look up bagon community day you will see the epicness
You can't profit from Balboa arcade though. It's nearly $2 games and the tickets for a $1 hot wheel is 600 tickets. People should not just spend $20 to have some fun, they should spend $1000+ to win the $100 sunglasses they have for 35k tickets if they're serious about winning good prizes.
