Are we just waisting money with a $200 budget

My dad has an olive farm that has not been profitable. I was trying to find ways to help him market it. His olive oil is on the expensive side because of the way he grows it. This makes a very strong tasting olive oil that also has a lot of the healthy stuff. We just talked to Google about running ads and they said they would help us set them up and optimize but we would need a budget of at least $600 a month for 3 months. Since we are not sure if we will sell any at all with the Google ads it seems like a lot to commit. Im a tech guy but have never run a google ad before. Is it pointless to try a small campaign that I set up myself with only a $200 a month budget to see if it works. They also said it takes about 3 months for the ad to be optimized and really start to work. The trouble is olive oil is best when its fresh so the best time to sell it is in the first 3 months. Any advice or comments are appreciated, its a small family farm so its a good cause. Thanks in advance.