Personally, I'm using Tellus for rental property management, including rent collection, tracking financial reports, screening tenants, etc. 

You can find the parts for the older windows, check your local window/screen shops and do it yourself and don't seal the windows, it's against code... 

However, when I send out my screening response I'm seeing a huge fall off.The process is: Receive an inquiry via Trulia, Zillow, Craigslist, or HotpadsRespond with my screening questionIf they meet the requirements then I setup a viewingAll communication is done via email at this point, as I  was receiving at least 10 calls a day and don't have time to answer every one.This is my screening email:Hi APPLICANT NAME and thanks for your interest!

Starting with your tenants screening process, followed up by your Sec Dep requirements.

Also, any tips for screening college students would be greatly appreciated.

(you could sabotage the inspection by removing the window screens for example but the apartment would still be to city code) Chances are you will be able to reject their application anyway after a background/credit checks and checking past rental references.

. :-)I'll be talking about screening multi's from your PC.

Lawyers are now suing over elevated blood tests that were 20 years old.

Allow that next tenant (whom you screen diligently) to move in.

Not so much as a missing window screen!