You can get some coins without paying real money with your defenders bonus. You can get a daily bonus each day dependent on how many gyms you have a Pokemon on. During the beta, it was limited to 10 gyms for reward, but I've only had one day to test. I received 10 coins for having one gym this morning.

You can get some coins without paying real money with your defenders bonus. You can get a daily bonus each day dependent on how many gyms you have a Pokemon on. During the beta, it was limited to 10 gyms for reward, but I've only had one day to test. I received 10 coins for having one gym this morning.

You can get this bonus by opening the shop and clicking on the shield in the top right corner.