Perhaps you're not familiar with minimum wage?
http://thebillfold.com/2013/08/price-comparison-battle-safew...
http://www.checkbook.org/interactive/spmkt/other/t/article.c...
> Trader Joe’s received higher overall quality ratings than Dominick’s and Jewel-Osco, and charges similar prices.
I could go on, but I guess you can do your own research. Seriously, their prices are on average, lower than most.
"...full-time crew members can start in the $40,000 to $60,000 a year range."
http://womensenews.org/story/labor/130722/cashier-the-deal-o...
Speaking of minimum wage... Trader Joe's pays substantially above it. My niece works there and as a stock clerk she gets paid substantially over minimum wage and has health benefits from them.
*source: I lived above a TJ's in Berkeley for a few years.
I shop almost exclusively at Trader Joe's* and am not (to my knowledge at least) nutritionally deficient. I get fruits, vegetables, dairy, meats, eggs, bread/cereal, and the odd snack. What am I missing?
I'll admit to a small bit of hyperbole in calling that nutritional deficiency, I should have better called that a distinct lack of variety.