But now I understand how important it is to be safe with sensitive information.

It is amazing how price sensitive some people can be.Since this experience I have changed the way I rent units.  

I am sensitive to water hazards and kids so if you had an unsupervised kid by the water  you are out.

It might be a good idea to drive the rent comps to check their likeness to the subject.Keep a copy of the comps on file as rental rates typically can be relevant for up to a year, unlike comparable sales that are much more time sensitive

As Charles sort of suggested, there's probably some sort of economics-based differential equations that could be used to model return vs risk vs time in various investment activities.While it probably wouldn't be useful in real life (not sure you could tune the inputs well-enough to be meaningful), you could probably play around with various inputs to get a feeling for their sensitivities to one another.If I were smarter, I'd probably be able to apply some of the utility modeling work I used to do as a poker player to real estate investing...Which actually reminds me that I've been meaning to start a really geek thread on a related subject...a bit off the topic (or maybe not), but if you've studied card counting in blackjack or were ever a geek poker player, you may be familiar with the Kelly Criterion...I've recently started thinking about whether there is a way to apply the concept to portfolio real estate investing:http://en.wikipedia.org/wiki/Kelly_criterion

That means that they will be very sensitive to interest rate risk.

HMLs must charge high rates for several reasons, limitation on funds available and market for their loan product are basic considerations, they are more rate sensitive as to profitability.

So many landlords clean with bleach and paint with kilz and other unsafe practices concerning mold, that finding a place to live when your body is burdened with mold toxins and you are super sensitive... is nearly impossible.I would like to start helping people by buying properties and renting them to people who need an environmentally safe place to live.

It's a fiberglass-backed vinyl that uses a pressure sensitive adhesive.

You will have extra as it's 13' 2" wide, but you could always roll up the extra and store for the next repair/install.The advantages of this vinyl: it uses a pressure sensitive adhesive.