I attribute much of my success to the principles of how he teaches us to "look" at things, treat people and handle circumstances.  

Genetics have an effect on intelligence and physical attributes.

I would recommend taking this time to evaluate your rates against the competition to make sure you are competitively priced and keep an eye on the comps if they are reducing rates, you may also start to see your channel attribution shift. 

I would attribute part of this delay to the time of of year, but I am also observing that price reductions have occurred on a significant number of properties as we head into the spring selling cycle.  

If you can invest it for 10% return then that is how much of your cash flow is actually attributed to the equity you have sitting in a property.If you purchase a $100,000 property with 10% down then $90,000 is costing you (@ say 4.5% interest) $337.50/ month and the $10,000 with a opportunity value of 10% is costing an additional $83.33/month for a total cost deducted from your cash flow of $420.83. 

Positive cash flow is the main attribute.

Numerous greats including Steve Jobs, Bill Gates, and Warren Buffett have attributed their success to focus.

ditto....I have a tenant, although never late paying, complained that she was having some sort of issue (skin rash) and attributed it to the "possibility" of mold in the home.

For sales of depreciable real estate, a maximum federal rate of 25% applies to the portion of gain attributable to your depreciation deductions.

Most of the horror stories I have heard on here are attributable to not having the right people working with you.