There are a lot of games in the game, and the price is very expensive, you need to pay for it, you have to consider the speed of horsepower. Cost-effective personal recommendation yellow tractor, I bought a lot later, fast, horsepower. In terms of fertilization, there are fertilizers and swamp fertilizers that require you to choose. When the crop is mature, you need to consider the market price. Yes, this game has a market price. As time goes by, you need to choose whether to sell or store it and wait for the price to be good.