Create a full list
Include statutory charges, parking, premiums, maintenance or corpus, interiors, financing, moving and furnishing.
Ask what is mandatory
Separate mandatory charges from optional upgrades.
Check timing
Some costs arise at booking, others during construction or at handover.
Keep a reserve
Maintain a contingency for changes and incidental expenses.
Conclusion
The best defence against surprises is a complete written budget before commitment.
Information note
Project information, pricing, availability, approvals, plans and timelines can change. Use this article for buyer education and confirm the latest official documents before making a booking or payment.