Ant problem
 

Hi i have a real bad case of ant problem, In my back garden i have millions of ants so finding a ant nest is inposible as the ants are every where,The problem i have is that they get into food cuboards and all over the worktops and once i opened a new loaf of bread to find one in there,Now i have broat some ant traps but they still keep coming in has anybody got a cheap sollution on this i will be greatfull. thanks