ANT ATTACK!

Oh man! We are being bombarded by an army of ants! Ugh these little guys are such a pain, and just when you think you get rid of them, they always come back.....

Last year we found them in all the Christmas presents! hahaha! Awful, funny to look back on but AWFUL!

Anyone have any good remedies for this? So far I've heard Grits, Lemon water, cayenne pepper, cinnamon, diatomaceous earth.....But what do you do when you can't figure out where they are coming from?

Any ideas?