bseisenberg/b@bdo.com. This article originally appeared in the Northeast. Real Estate Business Journal. Real Estate Financing: How Bad Will It Be? By Anthony La Malfa. A continuing series of discouraging news about the economy and resi- b..../b apply when the home or bvacation/b home is rented for part of the year. In addition, the above does not describe the rules for the sale of a principal residence. Up to $. 5000,000 of gain on a joint return. ($250000 on a single or separate ...