hey man, i discovered a problem in the game, if you click concede very fast, next time you enter in the fight the concede screen will be there but this time you earn 100 gold. its very fast win money this way!
posting this to future corrections, please dont kill me guys ;)
 "Another Cave Runner"){kind=icon}
 "BattleCry"){kind=icon}
 "Indestruct2Tank"){kind=icon}
 "Don't Look Back"){kind=icon}
 "K.O.L.M."){kind=icon}