Someone with a gun can still force you to open it.
Honeypot safe only works if the real one is well concealed. So then it's only worth having if it's somehow known/assumed that you have a safe at all. (Otherwise just leave it well-concealed and you can say 'I don't have a safe, there's some cash in my wallet and a little jewellery in the bedroom' just as effectively as 'Here is the safe it is definitely the real one'.)
I believed your safe could be real, until I read that heh.