Without chocolate coins, which are the currency on pinata island, there's no way to develop your garden and gain new animals. That's why you need to make your hobby a profitable activity. Sooner or later you'll find a source of income suitable for you. We propose just a few examples for a good start.
Selling pinatas - You can sell unnecessary pinatas to get some money, but turning regular species into another, rare and valuable ones and selling them is much more profitable. For example Reddhotts, which are created by setting Tafflies on fire and dousing it with watering can, are a good source of income. On a higher level, it's easy to gain chocolate coins by breeding and selling valuable species.
Selling plants - Soon after starting the game you will find, that you can cash in more on some plants that on the others. For the beginning, take chili. The rule is simple: buy seeds, sow them, fertilize (check the table above), water and then sell. On a higher level, it's good to grow an oak - you just need some place in the garden and a bit of patience. Orchids and bulrush are also valuable.
Garden with poison ivy - Creating a garden full of poison ivy and nothing else is the third way to gain money. First buy some seeds at the shop and sow them around. Then wait until they drop a green bloom. Poison ivy doesn't need to be watered, so you just must be patient and successively sell the bloom. Meanwhile the plants come out of bloom and leave seeds - you know what to do with them. Every visiting pinata sell right away. This garden isn't too good for them. After gaining a satisfying amount of chocolate coins, move to your main garden. You can always return here later and earn some more.