From Trader Joe's last year, here is what maple syrup costs -- about $18/quart.
So my finished syrup will have a street value of roughly $216. Electricity cost was about $25. Reducing it on the stove now:
Last year, my electric heatstick evaporated the sap until it was exposed to air, which quickly destroyed the element.
This year I intend to mitigate the risk of that happening again by installing a simple timer as shown here.