As the infrastructure supporting independents continues to grow, self-employment will increasingly be seen as a mainstream option for many facets of the U.S. workforce.

Among respondents using some variation of a concierge medicine membership model, 65 percent say membership cost is under $2,000 per year.

Employers will be keeping a close eye on the regulatory landscape, according to this survey's more than 700 respondents working in legal and HR roles.

A former Heritage Foundation fellow explains why state-sponsored retirement plans -- and their DOL-created safe harbor -- should stay.