Costolot's General Store is the first store you'll discover in the Village. You can purchase fertilizer, seeds, fruit, vegetables, produce, candy, fences, paving, seed packets, upgraded watering cans, and garden decorations for chocolate coins. Leveling up increases the variety of her products. You can also sell items, including pinata, in exchange for chocolate coins, but she'll pay you slightly less than what she charges you for the items. However, some items, such as weeds or sour candy, sell for negative figures.