Hello,
I'm new here so I am guessing PM stands for Property Manager. Today's world is all digital so for maximum coverage of rooms and architecture, you would need a wide angle lens with a average to decent DSLR. The camera body is not so much as important for photographing properties, rooms, lounges, backyards, etc. It's more about a good quality wide angle lens, good composition and perfect ambient lighting. Flash is not recommended in my opinion. A wide angle lens from about 14mm to 17mm would be perfect.
I wouldn't recommend going and buying one of those camera and body packages. Just buy the body and lens separate (unless you get a nice wide angle with the package). The lens you get in the package is cheap and plastic. However, even the average DSLR with a cheap wide angle lens will do the job well. We need to notethat we are not taking photos of models or landscapes of mountains. I say this because you're going to edit the image in Photoshop and apply adjustments, sharpening and cropping. As long as the image is in focus, good lighting and good composition, then you are pretty much set.
How many blurry pictures have you seen of tiny rooms with sun busting through the window causing glare. It's bad enough to turn you off from even inspecting. They say that you should take photos of rooms, etc in the middle of the day when the sun is up high and not beaming through the windows. If you're going to take photos of the big block houses with a pool where there are lights in the pool and glowing everywhere, then obviously you would take the images in the late afternoon when the sun isn't as hash. You want to see the lights in the pool and the lights around the big house switched on and capture these. You will require a tripod for these shots as the shutter will be a lot slower.
Point and shoot cameras for 300 bucks are not wide enough for tight rooms, etc.