Turns out tin foil is really expensive, that's why I stick to aluminum these days. @ironshield
Aluminum foil / Tin foil
In today's world, they both mean the same thing. However, back before WWII, or thereabouts, the metal foil used in the way we now use aluminum foil was actually made of tin. Real tinfoil is no longer used, but it can still be bought costing over $100 for a 50 foot roll.
Turns out tin foil is really expensive, that's why I stick to aluminum these days. @ironshield