@AlanTiger:
The easiest way to get coins I think is to complete the daily tasks. You will get around 100 coins in total. But sometimes the tasks “comment on 3 warm up posts” and “like 3 warm up posts” may not be easily completed because sometimes these warm up posts are not available. My favourite way to get coins is the daily check in because it's the surest way to get coins. My favourite coin redemption is to use it on getting vouchers. My experience in using coins is great! Coins can be used to redeem gifts and vouchers.