Alyssa Neilson sitting down at the eating table in her Amsterdam condominium. Photo: Mikel van den Boogaard What can make a purchase “worth it”? The solution is distinct for every person, so we’re inquiring some of the coolest, most buying-savvy folks we know—from modest-business entrepreneurs to designers, artists, and actors—to notify us the tale powering a person of their most prized possessions. Who? Alyssa Neilson is a stylist, a strategist, and the founder of Studio Marie. Her social media promoting consultancy specializes in taking class-defining and emerging brands to the upcoming level, and some of her shoppers contain Bread Attractiveness Offer, Buffy, Glossier, and Kin Euphorics. If you’ve been next…