Victoria Fine and Jon Vidar, a NYC couple who ditched their apartment to live on a boat. Courtesy of Mel Magazine In Amsterdam, hundreds of houseboats line the city’s canals and living on a houseboat is simply considered an affordable way to live in the center of the city. While Amsterdam may be synonymous with houseboats, houseboats are also popular in cities around the world. From London’s Little Venice to waterfront neighborhoods in Vancouver, Los Angeles and Sydney, one can find…