Got possession in Sector 89A, some things genuinely surprised me

Is ready-to-move always better than waiting for under-construction, even with the premium? We just got possession of our 3BHK in Sector 89A from Global Horizon Holdings Private Limited last month. Paid a decent premium for RTM, thinking it avoids RERA delays. But the EMI feels heavy now. Did anyone here buy under-construction from M3M or Emaar on Dwarka Expressway? Did you face huge delays, ya? Wondering if that initial lower price was worth the wait, given how much prices are rising.