In my opinion, it depends on the size of your pup. If the pup is tiny like 3 to 7 Lbs, they have small bladders and cannot hold urine for long periods like a 20 Lb dog can. Also him preferring to wait to make outdoors may cause UTI although through my reading UTI in male dogs is not common like in females.
My guy weighs 11 Lbs, not a tiny boy. I have the same issue. He's good alone for 6 hours, he's a rescue but we're a team for 10 years now. His prev. owner used pee pads so he knows what they are. I do leave them down but he has never used them, he'll wait for me to come home then pees a river. Like I say, tiny dog, tiny bladder.
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