Sohna investors: Broker vs. secondary market for best deal?

Broker commissions on new projects are eating into investor returns, especially in Sohna. Main ab ZAK Spaces mein dekh raha hoon Sector 58 mein. Builder se direct deal better hoti hai kya for total acquisition cost, ya brokers ke paas kuch exclusive inventory ya better terms hote hain? Secondary market mein negotiation ka scope zyada hota hai kya compared to new launches? Log bolte hain wahan hidden charges kam hote hain. Kya experience hai Sohna mein?