Hotwire.com is a useful way to find a hotel at competitive pricing. Some excellent deals in prime areas of Manhattan can sometimes be found.
Here is some information on relatively lower-cost hotels with clean but very modest rooms (add 17% for taxes):
W. 20th St.
Chelsea District, sink and shower in room, bathroom down the hall, about a 25-minute trip to workshop, including subway and walking.
$129 to $189/night.
27 W. 11th St.
Greenwich Village, sink in room, shower and bathroom down the hall, about a half-hour trip to workshop, including subway and walk.
113 Jane Street
Allow half-hour to LC area, shared bathroom.
E 27th St.
(866) 599-6674; (212) 545-8000
Can be more expensive.
373 Fifth Avenue