Both Communism and Capitalism rely on trusting your fellow man, the one system for hoping he wakes up in the morning and does his job, the other for trusting that what you buy isn't snake oil. These systems are always warped and destroyed because humans are suspicious creatures. The governments usually wind up as a Nationalist Socialist (aka NAZI) set-up.

Capitalism isn't simply about making a buck off your ideas--the reason you get money from your ideas is that they're supposedly better than everyone else's. Any decent free market capitalist knows, quite simply, that if you screwed over your customer they won't come back, and they'll tell their friends not to come back. Competition exists in a Capitalist system, regulations and restrictions that hamper "the little guy" tend to be the things lacking.
The more government, and fake entities like corporations* that is in business dealings, the less it is Capitalism.
(*Only people exist in Capitalism, a person is held responsible for their snake oil; Corporations are legal/government constructs to protect the snake oil peddler.)

Communism is about sharing that buck with everyone who happened to be in the general area as the guy who first thought up the idea. If you have an idea, it is not yours. If your idea is the best idea, then it is the one idea everybody gets. No competition, and minimal progress is due to the simple nature of human greed and the entrenched oligarchies that come with Communism. Groups, not individuals, exist and have rights.
[Most capitalists actually rely heavily on their community and small-scale Communism. (Anarcho-Capitalism especially so.)]

Fascism is about making a buck off your idea, stifling all competition to your idea, and forcing that idea upon everyone else so you can keep any dollars associated with that idea. There is no competition, and the progress within these systems tends to exist only as long as the dictator keeps power (usually through fear). It's all the lack of regulations from Capitalism, and all the government protections on the monopoly of Communism without any of the benefits from either system. There are no rights, unless you're the plutocracy.
These are the ones you dislike, these are the people like the Rothschilds, Bushes, Cheney, and anyone else heading up the Anglo-American empire. The few plutocratic people with their few corporations and the sweetheart deals getting the most money with "their guy for the job" without a care for how well the job is done now because they do not have to worry about scaring up future business.
Fascists aren't Capitalists because they don't compete, and they aren't Communists because they don't protect. (Even the Feudal system cared about the serfs.)

NAZIs aren't Communists. (Hitler, his party, and his nation excepting the Weimar Leftists loathed Communism and much preferred the authoritarian set-ups of monarchies.) They were Nationalist Socialists, they are Fascists, and there is a subtle yet all-important difference between the two. (Namely in that Communists believe everyone can be a part of the commune and that Fascists may not exist without the ability to be selective.)
Fascists still allow for their lower classes to dream of wealth and power, but don't allow them to attain it. Communists pretend there is no wealth and power without the collective, and Capitalists pretend everyone has power if not wealth.

Rand was a Fascist, just look at how she treated her acolytes.