For a shorter time, it's ok to leave enough food in the cage to last until you get back. Handling Before you handle your hamster you will need to tame it. Do not put it off, because it will be easier while your hamster is still young. Talk to your hamster while you're taming it. It will get to know your voice.
Hamsters bite only when they are frightened.
If your hamster does nip your finger, it is best to put it back in its cage and leave it alone a couple of hours so that it can calm down. You should be able to tame your hamster in about three weeks if you follow this method. Do not rush it, or you may have to start all over again. First watch your hammy for a few days to find out when it is awake and active - the best time to start taming. Note its favorite foods so you can use them to overcome its fear.