Beginner Gardening: Bougainvillia: Patio plant to house plant (for the winter)?, 0 by CapeCodGardener

CapeCodGardener wrote:
Hi! I've just adopted a lovely potted bougainvilla (3 ft x 4 ft) that has been a patio plant all summer here on the Cape. Now its owner is going back to her apartment in New York and I couldn't bear to have this one thrown out even though it is definitely not hardy in my zone (7A).
I"m pretty sure from reading threads that I can leave the plant outside on my sunny deck until a frost is forecast. . . is this correct? And then, what are the chances of me successfully overwintering it inside my house in front of a SW facing slider window? Would it do as well in a SE window? Would it hate the dry heat of a New England interior in the winter, and require misting, etc.?
Any advice? I'm not a total newbie to houseplants, but have never tried a big flowering vine like this.