Does garlic repel roaches?
Yes, read here (go down the page to the roach section): http://eartheasy.com/live_natpest_control.htm
Garlic does repel roaches, but only to a point. They also hate bay leaves and cucumbers.
Probably not, but it might repel people from wanting to make out ;P
Yes and vampires O_o
try boric acid
Nope, just friends and lovers!!!