How will you deal with the FBI breaking down your door? Is it a 60cm titanium door only opened by a passphrase (swordfish)? Are there tripwires and claymore mines around the compound? AA guns versus the inevitable copter based attack?
This is a great question. I actually reside in an underground bunker and a m1-abrahams tank is parked on the only door into the facility. I have multiple safety measures to open the door, including a 100 BTC payment to one of my addresses before you can even access the first of 6 biometric scanners. yes, 6.
Seriously, 6.
That sounds reasonable enough. Though I would advice adding guard dogs. They're great companions too.