Any tour and trekking in Nepal depend upon the budget you make. There are no rules and any regulations that visitors have to spend per day. But since there are various levels of services, budget depends on accordingly. There is the ranking of the service from 5-star hotel to guest houses and hostels and from tourist couch to local transportation. Within the cities like Kathmandu, Pokhara, Bhairahawa, there are many star hotels and also good restaurants. During the trekking, there are tea shops and guest houses with a normal moderate price.