My pup carmello is now 7 months old, and hasnt had any accidents in 2-3 months
I started with pee pads and crating him while I was at work, and created a small section attatched to his crate so he can easily go into the crate or to the pee pad. Once he was almost done with his vaccines I started to walk him/let him out in the back yard and when I least expected it he peed outside when we were walking into the house from a car ride. Ever sice then I would get home for lunch/work and his pee pads would be clean(and ripped!) so I stopped ising the pee pads and confined him to his crate.