Pune mein builder final bill pe negotiate karte hain?

Fed up of renting, my landlord just hiked rent again in Baner. Finally looking for a 2BHK in Narveer Tanaji Wadi. Pune mein ye hidden charges ka scene kya hai? Brokers bolte hain price negotiable, par kitna realistically? Stamp duty, PLC ke alawa final bill mein aur kya aata hai? Builder negotiation tips for Abhinav Rainbow?