Ghaziabad property: What's your real all-in cost?

Shalimar Garden Extension I — I'm seriously frustrated with hidden charges post-possession. Sri Sri Homz project mein, unexpected maintenance and OC charges hit hard. My ₹80L 2BHK investment ka ROI dimaag kharab kar raha hai. How do you guys factor these into your Ghaziabad property calculations? Any way to avoid these surprises?