Use common sense and the mirror test - look yourself in the mirror and ask if you believe what you're saying.Other than that you're on a great path to using 1031s to dramatically increase your RE wealth.

I have worked with my father's real estate appraisal business since I was 17 and will be testing for my State Certification in September.

And the only reason that is, is because I've spent thousands of dollars as well as many months testing and refining the filters that work for me and my other investor clients and would be basically giving away trade secrets for every other investor in my and my client areas to use and drive the price up for our adverts.

Another question...do I need to get my house tested for Lead Based Paint...when I purchased the home there was a lead compliance form which stated that the seller did not have actual knowledge of any Lead Based paints...they sold it to me like this, why would we need to test for it when renting...?

I was testing some of those hardwoods with my key, and they scratch pretty easily whereas I couldn't do that to the laminates. 

Then you can split test your letter and see if you change the font, language etc.

What you are referring to, in a very basic way, is stress testing.

Then you need to take the CA state test which is also pretty expensive.  

Being a short drive to decent Asian grocery stores and restaurants (the ones with secret menus all in Chinese) is also a nice amenity, but being within walking distance to them is not critical, unless one of the family members does not know how to drive, which is quite often the case, especially since Chinese families often take care of their elderly forebearers, and the driver's test is pretty challenging for some of them again because of the language barrier.

I moved two drug houses.