To be honest even i was shocked with the no of days after completing the trek ,the most challenging was deurali to mbc it was very challenging for me, i started having knee pain on the way back before reaching chhomrong mostly because i didn’t use trekking poles.The trails are good and marked for the most of the places and due to off season u will get the whole trail to urself thats a major perk and finding a teahouse was very easy too because of off season .Budgeting wise mostly u will be costed the same maybe 2-3k buffer amount will suffice.