Well, this is quite unpredictable that how much money you need while on trial because it depends on you. In general, you will be paying for your Everyday Drinks including Water, additional meals, Internet, electronic devices charging, and Hot Shower. As per our experience, you may spend a day US$ 15- US$ 20 depending on your expenses. We suggest you take cash while on the trek and it is better to have Rupees. You can change into Nepalese Rupees in Kathmandu. They hardly accept Credit cards or we can say No Credit Card.