I'll have to look into these water-saving features.

I'm sure all these areas have things in common, or had certain features that primed them for this to occur.Anyone know of any work that's been done on this, or have personal ways of spotting this?

If you haven't already I would check out the podcasts featuring rehabbers (the first one I listened to was with J Scott..one of the first several podcasts) although I would recommend listening to all of them to round out your knowledge of the interworking parts and strategies of real estate investing as a whole.

The housings come in several sizes, the most common by far is 6 inch, followed by 4 inch for some applications. 2, The "trim" or "trim and light" ($5-$40+) which you install in the housing, usually after painting is done, come in a huge variety of styles and features.

Is the call recorder feature separate, or does it integrate with Skype and/or FaceTime ?

If you want to do some preliminary comps, you can use Zillow and use the "recently sold" feature. 

Most of the neighboring multi-family complexes are much larger than ours, but close to the same age in years ( + or - 10 years) and do not feature washer / dryer connections in their units and if they do have any laundry, it is a coin operated facility.So, we designed an area in the bedroom for a stackable washer and dryer and we have found that this feature has been a huge factor and people's leasing decisions.One of the biggest problems for us on this property was the fact that the property has one meter for the entire complex so therefore the old owners were paying everyone's water and really not charging people for it. 

Here were my requirements with online payments (and have been a strong advocate for my current provider because they offer it):1. requirement to receive only full payments (no partial)2. ability to cancel payment requests after I serve the eviction notice3. won't give the tenant my bank account info (learned this mistake from direct deposit)4. requires me to request payment (although I do recurring and shut off if needed) before tenant can pay meThe major property management softwares should provide this feature.

@jeff mcnutt...I own 4 MH parks (and was featured in podcast #195 on the subject), this doesn't make me an expert, but I have formulated a couple of opinions on the subject :-).  

If there was a polling feature on the forum - that'd make things a lot easier!