Question: How can you vacuum seal a bag at home?
Option 0: Place the food inside a zipper-locked bag, seal it except the last inch.  Lower the bag into a vat of water, just before the zipper goes underwater, seal it off.
Option 1: Place the food inside a zipper-locked bag, seal it except the last inch.  Lower the bag into a vat of oil, just before the zipper goes underwater, seal it off.
Answer: 0