Remedy? Ha! That's often their opening move. If you don't want to talk to them or let them in, you will immediately be told that "we can do this the easy way or the hard way."
Auditors of homeschoolers would undoubtedly be functioning under the same authority, and with the same powers, as the state's child protective services. That means if you don't cooperate they have the power to take your children, on the spot. Any cop they call will back them up. Any judge they explain it to, a day or so later, will also never find fault with them. Your lawyer is likely to tell you to cooperate. Your gun? That's worse than useless, you stand to lose your child, your freedom, and a significant amount of money and property.
Years ago, I believe it was Massachusetts, the state took it upon itself to check up on home schoolers at home, and if I remember correctly, a judge found it unconstitutional.