Reselling agencies promising to sell you electricity cheaper than the local utility. Of course, they’re buying the electricity from the local utility, so the c

Reselling agencies promising to sell you electricity cheaper than the local utility. Of course, they’re buying the electricity from the local utility, so the contract generally looks something like a monthly price of U - x for a couple months (U being the price set by the utility, x the promised discount), followed by a number of months of U+z, z>>x. They don’t mention the U+z; that’s left to the fine print.