Noida negotiation is completely broken.

My 3BHK in Sector 135, Sampada Group, was ₹1.1 crore, but the final bill felt like a surprise. Just moved in last month, aur bhai, hidden charges ne budget hila diya. Maintenance advance, utility setup, kuch random 'club membership' fees. Builder ne initial discussion mein bataya hi nahi tha. Negotiation pe toh barely 2% mila tha. Construction-linked payment plan was good for cash flow. Should I have pushed harder on negotiation? What are others' experiences with hidden costs at possession?