After a certain amount of time has passed after Sowing the seeds and keeping up with your crops, a farmer will finally be able to harvest the fruits of their labor. This is one of the more exciting aspects of Farming Simulator 18, since after you harvest your crops, you will finally be able to sell them to make money to spend in other areas of expanding your farm. However, heed this small warning: if you don't harvest your crops at the best time frame when they are ripe for the picking, they will begin to expire and be wasted do to your lack of attention.