Answer:
What has legs but doesn't walk?
I only exist when you are here. Where you never were I can never be.
I am a seed with three letters in my name. Remove the last two and I still sound the same. What am I?
After you go through a fall, I will take over. All life will stall, or at least grow slower. What am I?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not. What am I?
I am free the first time and second time but the third time is going to cost you money.