Good Riddles

Question: Smell me, buy me, and deliver me.
I won't change.

What am I?

Question: A five lettered word, I'm used to make bread.
Remove one letter and I'll burn you instead.
Remove two and do this to your stew.
Mix that around and a good drink we will brew.

Question: To look cool wrap me around your head.
Remove a letter and eat me instead.

What am I?

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.

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