It's obvious they've tried to make it homey, but it's still an abandoned warehouse and not a suitable home for teenagers.

Wanda stops looking around and refocuses back on Tommy when he asks about Pietro. "Not exactly. Has anybody ever told you you're a lot like him? Quicksilver?" She pauses for a few seconds, giving him time to make the Wanda-Scarlet Witch-Pietro-Quicksilver connection, and barrels on. "Because you are. Not just the hair and the superspeed, either. It's the attitude, too. You're not too different from him when we were your age."