Noida property: Hidden costs and builder reputation matter?

Okay I'll be honest — I'm based in Dubai and investing in Noida is proving harder than expected. Can't easily visit, need your help! I'm looking at Unibera Mea Apartments and Buildcon Maghad Mansion. Unibera is ready to move, which is a plus. But kya kisi ko pata hai about hidden costs? I'm worried about PLC and all that. Also, builder ka track record kya hai for both? Heard some horror stories of possession delays. Should I just stick with ready to move to avoid that headache, even if the price per sqft is higher? Honestly not sure which one would give better rental returns eventually, since I need a property manager too. Any advice? I'm worried about getting stuck. Thanks!