1. Never run with your wand.
There is a chance that if you should fall, the wand will break and might poke you with a sharp broken piece.
2. When casting spells or charms, keep the tip of your wand at least 3 feet away from the face of anyone else. As Hermione says, “You might take someone’s eye out.”
3. Saying the magic words properly is very important,
-- never forget Wizard Baruffio, who said 'S' instead of 'F' and found himself on the floor with a buffalo on his chest.
4. Do not torment the dog or any other living creature with your wand.
Every living thing has its own kind of “magic” and it could backfire on you.
5. No silly wand waving.
Remember, that without you, the wand is just a bit of wood. The magic comes from you, and waving the wand harder or faster won’t make any difference.
6. Keep your wand clean and polished.
A light coat of lemon oil furniture polish is recommended. Let it soak for 10 minutes, then buff with a clean paper towel. This should be done about once a month.
In the case of a Holly wand, clear woodwind bore oil is recommended, as lemon oil will turn it yellow! A small bottle can be purchased at any musical instrument store.