About dogs in high rise apartments.

Please help with advantages and disadvantages of having a golden retriever dog in a high rise apartment in India. Pup is now 4 months old. We have planned for indoor potty inside one of the 2 bathrooms until potty training outside. But staying in a place with more rains throughout the year and no access to park immediately near the house, should we plan to have a permanent potty place somewhere in the house?  We do plan to take him for walks but it might not sync with his potty schedule. Also with easy access inside the house, our pup uses the potty by himself independently and with access 24x7, he pees frequently. He goes whenever he wants to without waiting for us. Is this an advantage or disadvantage?