1. yes gfi is fine
2. you can only have max of 2 receptacle on 1 kitchen countertop circuit, they also can't be adjacent receptacle
3. as long as they remain accessible, you can cap off unused wires
4. both is fine but armored is probably easier
2. you can only have max of 2 receptacle on 1 kitchen countertop circuit, they also can't be adjacent receptacle
3. as long as they remain accessible, you can cap off unused wires
4. both is fine but armored is probably easier