That’s up to you. All revenues generated will be held in your Cudo wallet until such time that you withdraw the balance and move into your own Bitcoin or Altcoin wallet. Your Cudo Miner account portal provides you with full control over when you transfer and the frequency of your transfers. Transactions will be subject to minimum transfer amounts of 0.0025 Bitcoin.
Cudo charge only 1.5% to withdraw funds. Currently you can withdraw in cryptocurrency, in future you will have the option to withdraw in fiat currency (cash) in future.