It is not recommended that you reward yourself with things that are going to be hard to maintain such as a reward of money and holidays. For one these will rely on the kind nature of your parents/carers. When we speak about revision rewards it is important to try and self reward. Think of rewards that you take for granted and use those, so if you complete your revision for that day then you will be allowed to watch your favourite TV programme. If not then you have to forfeit something that you enjoy.
Other examples of rewards used by students:
There are many others, try and make them important to you as this will help with your motivation to complete the work. It is important to have self control and don't reward yourself if the work has not been completed.