I'd move my money to a safer haven but I'm already in the worldwide safe haven.

I'd rather be debt free and own 10+ condo's worldwide and travel with only my wallet and passport :)Thanks and much success

What would be left after costs if he got his price from someone from the retail market sector?

Those still get snatched up.A coming recession may be on the way, but there are still some positive indicators in the economy such as high employment levels and increases in wages in certain sectors. 

or are a person's worldwide assets subject to collection if they have a judgment against them individually?)

If you are just starting out, you can get a higher return on your money in other sectors of RE.  

Quote from @LeeAnn Owens: do your research, it doesn’t actually keep up with increasing costs of housing and other necessities Please indicate an employment sector that HAS kept up with the ridiculous inflationary increases over the last three years. 

Yes, absolutely.The 1031 can be used to change Size, type and geography of your portfolio so you can move into sectors of real estate that have more return potential like the stampede now from SF to MF or from residential to commercial.  

He said his company provides accommodations for temporary workers (for example folks from India who work in the tech sector on a guest worker visa and remain in the US for a year or two at most).Has anyone had any experience renting to these kind of tenants?

Our unemployment rate has been steadily decreasing this year, we don't have more than 30% of our workforce in any one industry (which helps us maintain stability when one sector sees a downturn) and we have a great university with a teaching hospital that provides stable, well-paid employment for thousands of people (which means good tenants that can pay on time every month).