I'd suggest those roach hotels you can buy.

Never dealt with roaches myself except for when I was real young (don't remember)b/c we lived in AZ.

Thankfully the winters here keep their numbers down so they're rare.

The reason I suggest the hotels is I hate the idea of having some nasty fog cover everything I own and b/c over time roaches will adapt to poisons. Unless you get them all at once, which is impossible, they'll come back.

I remember hearing the hotels are more effective and less likely to result in the roaches being immune... again, can't speak from experience.