Just my opinion, of course.

Of course you have!

And of course, you don’t qualify for the full 121 primary cap gains exclusion….from your numbers, 5/18’s (about 28%) of your gain is exempt under the 121 exclusion since you had Non Qualified use for 13 of those 18 years.This doesn’t consider whatever time, if any, you actually lived in it between 2011 and 2018

How much are you looking to pay them over the course of a tax year?

We don’t see this money as lost; rather, it’s a necessary investment in our professional growth.

I took the courses on Compucram, Study.com and Quizlet, but it didn't help.

Meeting investors, agents, contractors, and other professionals is a great opportunity that these events provide.To locate and establish contact with Houston real estate experts, go via internet resources such as BiggerPockets, LinkedIn, and neighborhood real estate forums.In Houston, consider becoming a member of many real estate associations and organizations.

It sounds like getting a crash course in screening and placing tenants, managing rent collections, and getting rid a problems could prove to be a costly education for you.

As a result, meeting the requirements to be considered  a real estate professional may proved to be difficult. 

There are many free calculators out there from those that do this professionally.