Is a country automatically Communist even if having a right wing government, if owners of commercial property are arrested if they enter to try to

Squatters should have zero right to stay in any dwelling they do not own or pay for. Honestly the property should have the right to remove them by force. This is why i support laws like Florida has that actually allows property owners to do exactly that.

No. Communism is the kind of politics where there's universal housing and the voters control the means of production, probably the means of communication, too.

A country is communist if government do thing.

That is why you still remove them, if you do get arrested demand a jury trial, none would convict you, then you'd set a court precedent for future squatter removals in your state. Source: My older stepsister who's a retired county prosecutor, she has told me in the past that is how even one person can get bad law removed from the books.