do you know any hostel or hotel not expensive to stay in Hong Kong?

Thank you very much Ms.Helper!!!
so I don't need to go back to Brazil to apply for my china visa,I might go straight to HK then apply over there!I have a Brazilian passport!!I just want to make sure before I buy my ticket in Italy..

I really appreciate your help!! thanks a lot...

by the way do you know any hostel or hotel not expensive to stay there if you please let me know!!!!
I was thinkin' to send my Passport to brazil and aplly for my visa, is it necessary?