A shot of House Friends co-founder Linny Giffin’s DC home. Photo by Mariah Jones. It’s a common pickle for those putting together a home: You need help picking out a new sofa or deciding on this rug or that rug, but you don’t necessarily want to hire an interior designer. Maybe you don’t want to spend the money, or maybe you just don’t want to hand the reins over to someone else. But you could still use some guidance. That’s where House Friends comes in. The online, subscription-based community provides a space for design lovers to crowdsource home decor opinions and recommendations from other members, as well as access to…