It cost a life of a woman. Her status.
The moment she accept the ring, the moment it's on her finger, it is when she dedicate her life for you. it is the moment she's ready to be yours and how she persiapkan diri to be taken.
Once you put a ring on ones finger.
That's mean the whole responsibility is on your shoulder, same as when you lafaz the akad.
thus, if you can't afford the responsibility.
please just dont.