While I agree that Islam's problem is its god and understand that it is a subversive system I don't think the solution to the problem is to deny anyone their private property rights. In my view the only way to effectively combat Islam is first to convert Muslims to Christianity and second to offer no financial support to Muslim businesses or ventures.
Converting Muslims is not an easy task but it can be done – look at the “Son of Hamas” – it will take more than mere words to see devout worshipers of another faith converted. Christians will actually have to live their lives as Christ commands and it is my belief that Christianity will win hands down in a “free market” of ideas.
Not financially supporting Muslim businesses may be impossible when you take into account the oil industry but the local Muslim owned ma and pa shops (and businesses that hire Muslims - most of them are Muslim owned) shouldn’t get your business if you honestly believe they are trying to take over and fundamentally change your society. Make them move to Canada or Europe not through force or denial of rights but through lack of a means to support themselves – this, consequently, may be the only solution to the southern border crossers as well.
As I see it, this is the only way to solve the problem while maintaining freedom of religion, the free market, private property rights and core Christian principles.