Once you win big, you need to stop gambling right away! · 2. Prepare to wait. · 3. Check the ratings, bonuses, betting margins and all other important facts about WinPrincess. /[HOST] is organising gambling games in a casino, on gaming tables and with slot machines. . 5 THINGS TO DO WHEN YOU WIN A BIG AMOUNT OF MONEY · 1. Princess Leisure (Tanzania) Ltd. This licensing ensures. Review of WinPrincess. Chile, Clipperton. WinPrincess is a recognized sportsbook operating under the licensing authority of the Gambling Board of Tanzania. Prepare your documents. There are literally thousands of online slot machines to choose from, so you can be sure to find a game that suits your needs and interests.