No, of course FDR didn't cause the Depression (just extended it).
He was a commie in the 30s and early 40s, despite the fact he never sent anyone to the Gulag (kinda the defining aspect of Communism in the 30s and early 40s)
If you want to be pedantic about what is and what isn't Communism, you could at least break out the Manifesto because I can think of a lot of ideological nitpicks that you could put in advance of "did not establish a gulag".
the business community fought him tooth and nail the whole way
... but he enriched his friends in business, etc.
Yeah, go read about the National Recovery Administration. Essentially they suspended antitrust law if you adopted a certain minimum wage. Clarence Darrow (of Scopes Monkey Trial fame) briefly headed up the National Recovery Review Board, a body which issued a few nice reports on how effectively this crushed smaller businesses, and was then promptly dissolved. You could try reading one or two. (Of course the Supreme Court found the act establishing the administration unconstitutional, leading to the Judicial Procedures Reform Bill of 1937, an utterly transparent attempt to pack the Supreme Court.) The Montgomery Ward incident, incidentally, was much much later, in 1944, during the war.
but then it was never sold as a way to reduce overall costs.
Hahahhahahahahahahhaha... let's see what Google can say on the topic in the next 15 seconds... Key White House allies are dramatically shifting their attempts to defend health care legislation, abandoning claims that it will reduce costs and the deficit and instead stressing a promise to "improve it." -- Politico, 8/9/2010. (I'm sure I could find more coverage in the event that you don't think Politico's worth the paper it's printed on.)