Homemade Peanut Butter

We love peanut butter. We started buying natural peanut butter, which is so much better than then ultra-processed kind. We had some peanuts at home so I made homemade peanut butter with them. All you need is 2 cups of peanut butter, 1 tbsp peanut or canola oil, and salt (optional). Throw it all into your food processor for a few minutes, and voila! It turned out well but I don't know if it is any cheaper than buying the natural peanut butter from the store. It's more environmentally friendly though - you're not buying a glass jar every few weeks that's going to end up in a landfill - so maybe I'll keep making peanut butter just for that.