Need your help. Thanks.

DEAR ALL,

Could you help me check the following three questions? The first two are about if they are correct. The last one ia about the definition of Cold Wives Tales. Thank you very much.

1. What do you have to do every day?

I have to eat a hot dog with bread and drink a glass of water every day?

2.I have ro buy a birthday present for Steve.

3. Cold Wives Tales.

Here are some unusual remedues for cold.

Put fish skin on your feet.

I do not know what the "Cold Wives Tales" means? Could you explain it to me? Thanks.