How do you get German Cockroaches?

How did I get German Cockroaches?

 

"But as the story goes , the battle became futile and for every one german cockroach killed another ten would materialise that night , plotting revenge on you by setting up camp in cupboard hinges , your kettle base and behind your fridge and like a bush walk by a river without aero guard you realise that you ain’t gonna win this battle"

DIY Pest Guru's Top 10 Hiding Spots for German Cockroaches in your home - Gel Placement Locations!

DIY Pest Guru's Top 10 Hiding Spots for German Cockroaches in your home - Gel Placement Locations!
"This spot is perfect for a pregnant female german cockroach to casually drop an ootheca (egg casing) and allow 27-42 of her offspring safely develop into to disgusting little babies"