My tenant refuses to pay for the window broken when her ex-boyfriend threw a rock through it, when me lease says she is responsible for anyone she knows!"  

If it's too emotional to see the grass die, your window screens disappear and a bunch of crap be in the yard, then maybe reconsider, ya know?  

However, if one was to sell one's property to an FHA buyer, there's a 90-day window the property should have title transferred multiple times.

While the building is sound proof, you still get some train noise from the windows. 

Look below this Window, and you will see a list of list of names of people who have posted in this thread.Click on the name of the person that you want notified via an email that you responded to them.If you are a Colleague with anyone that has not posted in this thread, and you want them to see your post, hold down the shift key, and type the @ and the first 4 letters of the first or last name.Look below this Window, and click on your Colleague's name.

Then there will be the energy calcs, etc. required for adding any new windows, etc.

I am looking for a ballpark estimate on how significant new vinyl windows will affect the value of the home?  

Depending on who you find for the window replacement I would generally figure at least 2k minimum to have a window that is to code.  

We have put in high efficiency windows, replaced the A/C unit last summer, upgraded the flooring and installed an extended patio.  

so, we did the showing last night. 2 couples were early, and 3 right on starting time, with one more showing up 1/2 hour into the 1&1/2 hour window we allotted.