The one that confuses me is AB 71. Aren't 2nd and 3rd homes basically rental stock? Owned by individuals and not the Irving Company if you care about that.
Re-reading the comment I was originally replying to, the commenter might have meant that the 2nd home didn't justify a tax deduction, which I would most definitely agree with. A 2nd home is an investment, and there should be no tax incentives on that sort of investment.