Minimal effort - minimizing the amount of work/time/effort you have to put into the property to generate that cash flow.Other things are also important - ability to resell/refinance (exit strategies), appreciation, etc, but those are going to be paramount for something you expect to provide you a reasonable, regular dividend. 

Ltd. completes what it has proposed, it has the potential to be one of the paramount economic development deals in American history."

This is so vital for success of a rental property it is paramount this be done correctly.

That is paramount and supercedes all other aspects.

50% rule has become paramount in my search for long term investments properties ... bBP (before BP), I dramatically underestimated the costs of being a landlord.

These numbers vary for everyone, but it is paramount that you do not deviate from what works for you.

These type of determinations often hang on the whims of neighbors and local elected officials, so knowing the landscape and having a consolidated strategy is paramount before you breath a word of your plans to anyone else. 

@Mike BarryWhile quality of work is a paramount concern, there are other reasons you do not permit tenants to affect repairs and modifications to your property.  

I think the security of your business is paramount and knowing how to protect yourself is key.

Age and condition of septics is paramount as they are expensive to replace.