Life is pretty simple: You do some stuff. Most fails. Some works. You do more of what works. If it works big, others quickly copy it. Then you do something else. The trick is the doing something else.
I buy ST.DALFOUR jam/jelly. The ingredients in one of the many flavors I have is: cranberries, blueberries, concentrated grape juice, fruit pectin. That's it! And they have more than a dozen flavors. My favorite is the Royal Fig.