Free gravel is a clear winner… If there’s no limits, you could straight up build artificial islands, you could destroy cities… It’s a legit super power. Hell, unless there’s extreme limits that make it worthless, you could do a lot.

Teleporting is tempting, and if you could use it fast enough you could fly or at least walk at insane speeds… Depending on the limits, I’d take that over gravel

But any toaster? That’s a brain computer interface right there. Even if it’s one way, and you have to do it manually and pay for power? With 30 toasters you could type anything. You could learn stenography to do it faster. Or, if you could manipulate toasters past their capabilities, you could generate infinite power or burn down entire cities