Questions relating to financial transactions and Islamic finance

Does husband have any right over his wife's earnings / money?

If a wife is earning, does her husband have any right over her money? If she has parents, can she spend it on them and does she need her husband's permission to spend on them from her own money?

Reward account payment: Halal or Haram?

The halifax reward current account rewards you £5 for being with them. Is this the same as interest but worded differently, and is it halal or haram?
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