We're doing a bathroom rather than a kitchen, two vanities, one in the primary and one in a small guest bath. Everyone I talk to wants to discuss kitchens, and I'm not sure whether the considerations are the same at this scale. The guest one is tiny, barely more than a sink. Is it worth using the same material in both for consistency, or is that overthinking a room guests use twice a year? We're doing both rooms in the same phase of work, so if there's an advantage to ordering together rather than separately I'd like to know before we sign anything.

Vanities are usually cheaper per square foot than kitchens simply because there's less material and fewer cutouts, so consistency isn't as expensive as you'd expect. For a small guest vanity, ask about remnants, shops often have leftover pieces from larger jobs at reduced prices and a tiny top is exactly what they're good for. Matching both rooms is nice but nobody will notice if they differ. We had Quartz Countertops in Charleston, South Carolina done in both baths by Perfect Stones and used a remnant for the small one. Decide on undermount versus vessel first, it changes the cutout and the price.