You're probably going to need a bed, and maybe a light. Close behind are eating and cooking utensils. This could really add up, but not if you look in the right places. You can check newspapers or cruise neighborhoods for garage sales. Generally, you can find furniture and some housewares without much trouble.
Many neighborhoods also boast thrift shops and used furniture stores.
Ads in the HUB or other bulletin boards will offer specific items. Screen newspapers for bargain sales, Going Out of Business sales, fire sales, flea markets, and barter columns. The age-old college student bookshelf, creates and plywood, can be found at any hardware store. All kinds of treasures and bargains are waiting to be found, but they won't present themselves to you. Most of these also can be found at the garage sales or thrift shops.