For example, do you look at what your profit and ROE would be if your expenses sucked up 60% of your revenue?

Example $7K yearly net rental income / $200K equity is only 3.5% ROE.  

It's good to know what your returns might be with a plausible deviation from your expectations..http://www.biggerpockets.com/forums/88/topics/109330-using-range-of-expenses-in-your-profit-roe-estimates

I wrote a blog about it the other day.. curious about your thoughts..http://www.biggerpockets.com/blogs/4579/blog_posts/32645-if-ca-h-is-king-then-leverage-is-god---loans-cash-roe-roi-and-risk

That's what pushes the ROE up when the underlying collateral is standing still!

Obviously both play a roe, but I have some money to invest and am having trouble getting started.I think it's more an issue of too much information and knowing what to look for and what the right measures of a quality investment property are.I'm in the Dallas / Fort Worth area.

He was not considering his return on equity and confused his cash on cash vs ROE.

Roe Institute for Economic Policy Studies, the proposed bill will, “Allow private investors to price their own risk knowing that their losses are capped, thus leading to more risk taking.

You won't find any  restriction to  title to real property that it must be sold only to a class or group of buyers only using cash, that would devalue the property limiting its market, such a restriction would be easy to overturn IMO.

During that time an angry neighbor or whoever can apply to overturn your hard-earned rezoning.