What are the advantages and disadvantages to Walmart in working with unions?

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What have you found so far, kasmedrec?

In general in the retail area, what is the normal wages for retail union stores compared to non union.

What about benefits?

What is the normal union dues that would have to be paid.

Also the issue that Walmart is throughout the US, and in some states union membership can not be required.

Food stamps

No clue about unions