Pokecoins can be obtained in two ways.

Get gold coins pokemon go. Earn free pokémon go coins from gyms. For every 10 minutes that your pokemon is in the gym, you earn 1 coin. The first time you interact with a new gym, you get the basic, vanilla badge.

Once you have successfully placed a gym defender, once your pokémon returns, you will get 1 pokécoin for every 10 mins your pokémon stayed in the gym. You’ll need to capture a gym and place some pokémon there to defend it. Trainers, there is a new way to get gold pokecoins in pokemon go.

Tap on a pokémon that’s defending a gym. When a trainer has control of a gym, their pokemon will generate one coin every minute. You don’t have to be the gym leader;

This gets capped after eight. Tap the pokemon button, bottom left. The first is through purchasing them from the shop.

Right now, the only way, apart from donation, to earn coins is only protecting the gyms.and since a lot of new features have. You just need to defend a friendly gym and you’ll get coins for your efforts. The number of coins you'll get depends on how long your pokemon stays in the gym.

Tap the menu button, bottom middle. Here are all of the costs, as well as the processes for getting free google play credit. This is a fairly standard pricing structure for freemium games in general, and pokemon go is no.