When it comes to planning a wedding, building the registry is one of the most exciting (and sometimes daunting) things a couple will do together. Martina Wang, senior manager for wedding and gift registries at Williams-Sonoma, shares advice for creating a registry that’s both practical and appropriate. How many gifts should couples register for? We suggest you register for two to three gifts per guest. So if you’re inviting 150 people, you should have at least 300 items on yo