Fun Riddles

Question: I have no wallet but I pay my way.I travel the world but in the corner I stay.

What am I?

Question: No matter how hard you try,
I can open what you can't.
If it wasn't for me,
on your front porch you would stand.

What am I?

Question: You put me in hard.
But then I become soft.
Blow me hard and I will get bigger.

What am I?

Question: How can you add 8 8's to make 1000?

Question: Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation.

Note: Each must be used exactly once and no other numbers or symbols can be used.