Are you dreaming of buying a vacation beach home, lakefront cottage or ski chalet? Or perhaps you’re fortunate enough to already own a vacation home. In either case, you may wonder about the tax implications of renting it out for part of the year. Count the days The tax treatment depends on how many days it’s rented and your level of personal use. Personal use includes vacation use by your relatives (even if you charge them market rate rent) and use by nonrelatives if a market rate rent isn’t charged. If you rent the property out for less than 15 days during the year, it’s not treated as “rental property” at all. In the right circumstances, this can produce significant tax benefits. Any rent you receive isn’t included...