Short Riddles and Answers

Question: There is this man how lives in a hotel , in sunny days he goes up the stairs to his hotel room and on rainy days he uses the elevator why?

Question: Theres a good barbor and theres a bad barbor, The good barbor has a bad haircut and the bad barbor has a good haircut. Why is that...?

Question: I am a 3 letter word spelled with 3 different letters, and if you reverse the spelling of the word, it will sound the same. What word am I?

Question: It's a question you can ask all day long and get completely different answers although these answers could be correct. What question is it?

Question: Thirty white horses stand on a red hill,
First they champ,
Then they stamp,
Then they stand still.

What are they?