You can minimize drips by twisting the bottle as you finish pouring. But you can avoid them altogether with a thin Mylar disk that rolls up into the neck of the bottle for a clean finish. DropStop pour spout, $5.99/pair; amazon.com
Spray Private Preserve into open bottles, then recork them. A wine-friendly inert gas replaces oxidizing oxygen, and stoppering the bottles keeps more air from getting in. $12 for a 120-use bottle; wineenthusiast.com
Freebie advice: Bookwalter recommends storing bottles cool or cold—reds at 54°, whites in the fridge.