They invest in 401k to receive the max employer contribution, but that is only one leg of their retirement stool. 

I have a fulltime gig with a 401k through the employer.

Back March 31 2020, I wrote about a futuristic possibility of a "Convenience Revolution" similar to the Industrial Revolution, where employment and industries might experience a massive shift in employment sectors with the entire COVID pandemic. 

Employment and job growth?

However, it is possible to get around those codes by employing an engineer who can determine your needs are less than that gold standard.

You can search population growth, employer diversity, median income, crime rates, future development plans, population demographics, average rent compared to housing cost etc.

@Fernando Quintero I did not do a whole lot of comparison myself, but I personally use QuickBook Self Employed edition to track my RE LLC expenses. 

- I'm not aware that contractors, especially ones who are not employed, are legally prohibited from doing things like this.

Also, have any of you seen negative impacts on your house/rental when a major employer has a large lay off in the area?

Last week I put my 2 weeks in at my current employer and am planning to move into my second home.