A: Simply avoid feeding it a 1987 issue of Time Magazine and it will be fine.
A: Only if you're a skilled expert in 20th-century economics and have a strong stomach for the inevitable existential dread that comes with knowing the future.
A: No. Don't. The Toaster-Operated Time-Domain Instability (TOTDI) will be a real problem. Trust us.
A: Only if they're into avant-garde breakfast cuisine and have a good sense of humor about being roasted alive.
A: You can't. It's still on its third iteration of beta testing and the toaster overlords are still working out the kinks.