Actually, TPers aren't really opposed to a low tax, limited government, pure free market world. They just claim to support those things because they're just parroting what Limbaugh told them. They don't know what it means.
But it's brutally obvious that TPers don't want a pure free market country, because in such a system, there would be no hiring laws--in accordance w/free market principles, the gummint could not ban any company from hiring whomever they wanted, including overseas labor. And, of course, the TPers are opposed to that because, aside from racist/bigoted, most of them are manual laborers and couldn't hack it when their jobs are taken over by guest workers.
And the TPers just aren't very marketable by themselves in the world, which is why they constantly bitched about the fact that Obama didn't create jobs for them, whereas pure market advocates never blame their government for not having a job, because in a free market, that's not the government's responsibility. But the TPers need their welfare/unemployment checks.
The people who actually support limited government, reduced taxes, etc. are Libertarians like me. Unlike the bigoted, trailer park dwelling TPers bitching about Muslims, Latino immigrants, we Libertarians welcome anyone into the country who is marketable, i. e. who is willing to work for what an employer wants to pay--that's free enterprise.
And unlike the TPers, we are opposed to the feds wasting billions of taxpayer dollars starting useless wars and funding other governments. The TPers, OTOH, support these things because Rush Limbaugh told them to.