Art and antiques are not a one-time investment. Begin collecting art and you’ll quickly discover there are myriad other associated costs beyond the price of a piece: you might need to insure your fine art or ship your fine art, and you’ll certainly want to spend the money to care for it. Art is, after all, meant to last lifetimes—and to grow in value. But that can’t happen if works are neglected and allowed to deteriorate (something nearly all works are prone to, given time). Knowing how to care...