They got rid of this pipe gambling thing last year. How old is this article?
Nowadays you just outright buy whatever character you need with rubies. Rubies can be earned by playing normally, or you can buy rubies for money. The prices for characters is a little bit steep but not so bad you can't earn enough rubies free each tour to buy what you need.
Another decent strategy is to pick a tour where you will just let things slide and you just grind coins and rubies.
I haven't spent a cent and I've been playing for almost 2 years.
Nowadays you just outright buy whatever character you need with rubies. Rubies can be earned by playing normally, or you can buy rubies for money. The prices for characters is a little bit steep but not so bad you can't earn enough rubies free each tour to buy what you need.
Another decent strategy is to pick a tour where you will just let things slide and you just grind coins and rubies.
I haven't spent a cent and I've been playing for almost 2 years.