Welcome to YT!!! Also, Congrats on your New Doggies
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I also started out with 1 puppy.. (Oreo being my first).. He was very smart.. and was Potty trained within 3 weeks of major training. But once he turned 4 months old (I got him when he was 8 weeks).. I got another pup (Ginger.. she was also 4 months old).. and Oreo all of a sudden forgot where to pee/poo.. so I had to train them both!
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It was only a matter of maybe two or three weeks till they were both completely potty trained.. and two was better because they not only bonded better.. but If Oreo would pee/poo on the pad.. Ginger would copy him lol.. so it was good..
And now that I have my third (Cloey).. they copy each other, so they are potty trained
Good luck with your two furbabes and best wishes in pottytraining!