Net Worth Per Property?

[Byran Parson]

So I used this calculator:  http://www.goodmortgage.com/Calculators/Investment...

I used the information from one of my properties.  50,000 purchase price.  5% interest for 20 year loan.  650 rent.  2 % home appreciation per year.  2% inflation rate.  Property taxes 750/year.  Homeowners Insurance 350/year.  

While using the 50% rule (meaning that the expenses would be 325/month)...

My net worth increase is only about 1,600 per year.  

All this work for 1,600 a year?!!

What do you figure your net worth increase is for a SFH rental property?