The amount of money you can make from an acre of hemp varies significantly depending on the type of hemp you are growing, the market for hemp in your area, and the amount of effort you put into growing and harvesting your crop. Generally, an acre of hemp grown for fiber can yield around $100 to $300, while hemp grown for CBD oil can yield up to $20,000 per acre. Additionally, some states offer programs that encourage hemp production and offer incentives to farmers, so it is worth researching these options in your area as well.